20372940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 79672320

約数和(自身を除く): 59299380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 23, 28, 30, 35, 36, 37, 38, 42, 45, 46, 57, 60, 63, 69, 70, 74, 76, 84, 90, 92, 95, 105, 111, 114, 115, 126, 133, 138, 140, 148, 161, 171, 180, 185, 190, 207, 210, 222, 228, 230, 252, 259, 266, 276, 285, 315, 322, 333, 342, 345, 370, 380, 399, 414, 420, 437, 444, 460, 483, 518, 532, 555, 570, 630, 644, 665, 666, 684, 690, 703, 740, 777, 798, 805, 828, 851, 855, 874, 966, 1035, 1036, 1110, 1140, 1197, 1260, 1295, 1311, 1330, 1332, 1380, 1406, 1449, 1554, 1596, 1610, 1665, 1702, 1710, 1748, 1932, 1995, 2070, 2109, 2185, 2220, 2331, 2394, 2415, 2553, 2590, 2622, 2660, 2812, 2898, 3059, 3108, 3220, 3330, 3404, 3420, 3515, 3885, 3933, 3990, 4140, 4218, 4255, 4370, 4662, 4788, 4830, 4921, 5106, 5180, 5244, 5796, 5957, 5985, 6118, 6327, 6555, 6660, 7030, 7245, 7659, 7770, 7866, 7980, 8436, 8510, 8740, 9177, 9324, 9660, 9842, 10212, 10545, 11655, 11914, 11970, 12236, 12654, 12765, 13110, 14060, 14490, 14763, 15295, 15318, 15540, 15732, 16169, 17020, 17871, 18354, 19665, 19684, 21090, 23310, 23828, 23940, 24605, 25308, 25530, 26220, 27531, 28980, 29526, 29785, 30590, 30636, 31635, 32338, 35742, 36708, 38295, 39330, 42180, 44289, 45885, 46620, 48507, 49210, 51060, 53613, 55062, 59052, 59570, 61180, 63270, 64676, 71484, 73815, 76590, 78660, 80845, 88578, 89355, 91770, 97014, 98420, 107226, 110124, 113183, 119140, 126540, 137655, 145521, 147630, 153180, 161690, 177156, 178710, 183540, 194028, 214452, 221445, 226366, 242535, 268065, 275310, 291042, 295260, 323380, 339549, 357420, 442890, 452732, 485070, 536130, 550620, 565915, 582084, 679098, 727605, 885780, 970140, 1018647, 1072260, 1131830, 1358196, 1455210, 1697745, 2037294, 2263660, 2910420, 3395490, 4074588, 5093235, 6790980, 10186470, 20372940]

約数ペア:

[(1, 20372940), (2, 10186470), (3, 6790980), (4, 5093235), (5, 4074588), (6, 3395490), (7, 2910420), (9, 2263660), (10, 2037294), (12, 1697745), (14, 1455210), (15, 1358196), (18, 1131830), (19, 1072260), (20, 1018647), (21, 970140), (23, 885780), (28, 727605), (30, 679098), (35, 582084), (36, 565915), (37, 550620), (38, 536130), (42, 485070), (45, 452732), (46, 442890), (57, 357420), (60, 339549), (63, 323380), (69, 295260), (70, 291042), (74, 275310), (76, 268065), (84, 242535), (90, 226366), (92, 221445), (95, 214452), (105, 194028), (111, 183540), (114, 178710), (115, 177156), (126, 161690), (133, 153180), (138, 147630), (140, 145521), (148, 137655), (161, 126540), (171, 119140), (180, 113183), (185, 110124), (190, 107226), (207, 98420), (210, 97014), (222, 91770), (228, 89355), (230, 88578), (252, 80845), (259, 78660), (266, 76590), (276, 73815), (285, 71484), (315, 64676), (322, 63270), (333, 61180), (342, 59570), (345, 59052), (370, 55062), (380, 53613), (399, 51060), (414, 49210), (420, 48507), (437, 46620), (444, 45885), (460, 44289), (483, 42180), (518, 39330), (532, 38295), (555, 36708), (570, 35742), (630, 32338), (644, 31635), (665, 30636), (666, 30590), (684, 29785), (690, 29526), (703, 28980), (740, 27531), (777, 26220), (798, 25530), (805, 25308), (828, 24605), (851, 23940), (855, 23828), (874, 23310), (966, 21090), (1035, 19684), (1036, 19665), (1110, 18354), (1140, 17871), (1197, 17020), (1260, 16169), (1295, 15732), (1311, 15540), (1330, 15318), (1332, 15295), (1380, 14763), (1406, 14490), (1449, 14060), (1554, 13110), (1596, 12765), (1610, 12654), (1665, 12236), (1702, 11970), (1710, 11914), (1748, 11655), (1932, 10545), (1995, 10212), (2070, 9842), (2109, 9660), (2185, 9324), (2220, 9177), (2331, 8740), (2394, 8510), (2415, 8436), (2553, 7980), (2590, 7866), (2622, 7770), (2660, 7659), (2812, 7245), (2898, 7030), (3059, 6660), (3108, 6555), (3220, 6327), (3330, 6118), (3404, 5985), (3420, 5957), (3515, 5796), (3885, 5244), (3933, 5180), (3990, 5106), (4140, 4921), (4218, 4830), (4255, 4788), (4370, 4662)]