20107710420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:415

約数の個数: 384

約数和(自身を含む): 68248535040

約数和(自身を除く): 48140824620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 79, 84, 93, 105, 113, 124, 140, 155, 158, 173, 186, 210, 217, 226, 237, 310, 316, 339, 346, 372, 395, 420, 434, 452, 465, 474, 519, 553, 565, 620, 651, 678, 692, 790, 791, 865, 868, 930, 948, 1038, 1085, 1106, 1130, 1185, 1211, 1302, 1356, 1580, 1582, 1659, 1695, 1730, 1860, 2076, 2170, 2212, 2260, 2370, 2373, 2422, 2449, 2595, 2604, 2765, 3164, 3255, 3318, 3390, 3460, 3503, 3633, 3955, 4340, 4740, 4746, 4844, 4898, 5190, 5363, 5530, 6055, 6510, 6636, 6780, 7006, 7266, 7347, 7910, 8295, 8927, 9492, 9796, 10380, 10509, 10726, 11060, 11865, 12110, 12245, 13020, 13667, 14012, 14532, 14694, 15820, 16089, 16590, 17143, 17515, 17854, 18165, 19549, 21018, 21452, 23730, 24220, 24490, 24521, 26781, 26815, 27334, 29388, 32178, 33180, 34286, 35030, 35708, 36330, 36735, 37541, 39098, 41001, 42036, 44635, 47460, 48980, 49042, 51429, 52545, 53562, 53630, 54668, 58647, 62489, 64356, 68335, 68572, 70060, 72660, 73470, 73563, 75082, 78196, 80445, 82002, 85715, 89270, 95669, 97745, 98084, 102858, 105090, 107124, 107260, 112623, 117294, 122605, 124978, 133905, 136670, 136843, 146940, 147126, 150164, 160890, 164004, 171430, 178540, 187467, 187705, 191338, 195490, 205005, 205716, 210180, 225246, 234588, 245210, 249956, 257145, 267810, 273340, 273686, 276737, 287007, 293235, 294252, 312445, 321780, 342860, 367815, 374934, 375410, 382676, 390980, 410010, 410529, 423677, 450492, 478345, 490420, 514290, 535620, 547372, 553474, 563115, 574014, 586470, 606019, 624890, 684215, 735630, 749868, 750820, 820020, 821058, 830211, 847354, 937335, 956690, 1028580, 1106948, 1126230, 1148028, 1172940, 1212038, 1249780, 1271031, 1368430, 1383685, 1435035, 1471260, 1544371, 1642116, 1660422, 1694708, 1818057, 1874670, 1913380, 1937159, 2052645, 2118385, 2252460, 2424076, 2542062, 2736860, 2767370, 2870070, 2965739, 3030095, 3088742, 3320844, 3636114, 3749340, 3874318, 4105290, 4151055, 4236770, 4242133, 4633113, 5084124, 5534740, 5740140, 5811477, 5931478, 6060190, 6177484, 6355155, 7272228, 7721855, 7748636, 8210580, 8302110, 8473540, 8484266, 8897217, 9090285, 9266226, 9685795, 10810597, 11622954, 11862956, 12120380, 12710310, 12726399, 14828695, 15443710, 16604220, 16968532, 17794434, 18180570, 18532452, 19371590, 21210665, 21621194, 23165565, 23245908, 25420620, 25452798, 29057385, 29657390, 30887420, 32431791, 35588868, 36361140, 38743180, 42421330, 43242388, 44486085, 46331130, 47875501, 50905596, 54052985, 58114770, 59314780, 63631995, 64863582, 84842660, 88972170, 92662260, 95751002, 108105970, 116229540, 127263990, 129727164, 143626503, 162158955, 177944340, 191502004, 216211940, 239377505, 254527980, 287253006, 324317910, 335128507, 478755010, 574506012, 648635820, 670257014, 718132515, 957510020, 1005385521, 1340514028, 1436265030, 1675642535, 2010771042, 2872530060, 3351285070, 4021542084, 5026927605, 6702570140, 10053855210, 20107710420]

約数ペア:

[(1, 20107710420), (2, 10053855210), (3, 6702570140), (4, 5026927605), (5, 4021542084), (6, 3351285070), (7, 2872530060), (10, 2010771042), (12, 1675642535), (14, 1436265030), (15, 1340514028), (20, 1005385521), (21, 957510020), (28, 718132515), (30, 670257014), (31, 648635820), (35, 574506012), (42, 478755010), (60, 335128507), (62, 324317910), (70, 287253006), (79, 254527980), (84, 239377505), (93, 216211940), (105, 191502004), (113, 177944340), (124, 162158955), (140, 143626503), (155, 129727164), (158, 127263990), (173, 116229540), (186, 108105970), (210, 95751002), (217, 92662260), (226, 88972170), (237, 84842660), (310, 64863582), (316, 63631995), (339, 59314780), (346, 58114770), (372, 54052985), (395, 50905596), (420, 47875501), (434, 46331130), (452, 44486085), (465, 43242388), (474, 42421330), (519, 38743180), (553, 36361140), (565, 35588868), (620, 32431791), (651, 30887420), (678, 29657390), (692, 29057385), (790, 25452798), (791, 25420620), (865, 23245908), (868, 23165565), (930, 21621194), (948, 21210665), (1038, 19371590), (1085, 18532452), (1106, 18180570), (1130, 17794434), (1185, 16968532), (1211, 16604220), (1302, 15443710), (1356, 14828695), (1580, 12726399), (1582, 12710310), (1659, 12120380), (1695, 11862956), (1730, 11622954), (1860, 10810597), (2076, 9685795), (2170, 9266226), (2212, 9090285), (2260, 8897217), (2370, 8484266), (2373, 8473540), (2422, 8302110), (2449, 8210580), (2595, 7748636), (2604, 7721855), (2765, 7272228), (3164, 6355155), (3255, 6177484), (3318, 6060190), (3390, 5931478), (3460, 5811477), (3503, 5740140), (3633, 5534740), (3955, 5084124), (4340, 4633113), (4740, 4242133), (4746, 4236770), (4844, 4151055), (4898, 4105290), (5190, 3874318), (5363, 3749340), (5530, 3636114), (6055, 3320844), (6510, 3088742), (6636, 3030095), (6780, 2965739), (7006, 2870070), (7266, 2767370), (7347, 2736860), (7910, 2542062), (8295, 2424076), (8927, 2252460), (9492, 2118385), (9796, 2052645), (10380, 1937159), (10509, 1913380), (10726, 1874670), (11060, 1818057), (11865, 1694708), (12110, 1660422), (12245, 1642116), (13020, 1544371), (13667, 1471260), (14012, 1435035), (14532, 1383685), (14694, 1368430), (15820, 1271031), (16089, 1249780), (16590, 1212038), (17143, 1172940), (17515, 1148028), (17854, 1126230), (18165, 1106948), (19549, 1028580), (21018, 956690), (21452, 937335), (23730, 847354), (24220, 830211), (24490, 821058), (24521, 820020), (26781, 750820), (26815, 749868), (27334, 735630), (29388, 684215), (32178, 624890), (33180, 606019), (34286, 586470), (35030, 574014), (35708, 563115), (36330, 553474), (36735, 547372), (37541, 535620), (39098, 514290), (41001, 490420), (42036, 478345), (44635, 450492), (47460, 423677), (48980, 410529), (49042, 410010), (51429, 390980), (52545, 382676), (53562, 375410), (53630, 374934), (54668, 367815), (58647, 342860), (62489, 321780), (64356, 312445), (68335, 294252), (68572, 293235), (70060, 287007), (72660, 276737), (73470, 273686), (73563, 273340), (75082, 267810), (78196, 257145), (80445, 249956), (82002, 245210), (85715, 234588), (89270, 225246), (95669, 210180), (97745, 205716), (98084, 205005), (102858, 195490), (105090, 191338), (107124, 187705), (107260, 187467), (112623, 178540), (117294, 171430), (122605, 164004), (124978, 160890), (133905, 150164), (136670, 147126), (136843, 146940)]