20008560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 240

約数和(自身を含む): 74807712

約数和(自身を除く): 54799152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 53, 55, 60, 65, 66, 78, 80, 88, 104, 106, 110, 120, 121, 130, 132, 143, 156, 159, 165, 176, 195, 208, 212, 220, 240, 242, 260, 264, 265, 286, 312, 318, 330, 363, 390, 424, 429, 440, 484, 520, 528, 530, 572, 583, 605, 624, 636, 660, 689, 715, 726, 780, 795, 848, 858, 880, 968, 1040, 1060, 1144, 1166, 1210, 1272, 1320, 1378, 1430, 1452, 1560, 1573, 1590, 1716, 1749, 1815, 1936, 2067, 2120, 2145, 2288, 2332, 2420, 2544, 2640, 2756, 2860, 2904, 2915, 3120, 3146, 3180, 3432, 3445, 3498, 3630, 4134, 4240, 4290, 4664, 4719, 4840, 5512, 5720, 5808, 5830, 6292, 6360, 6413, 6864, 6890, 6996, 7260, 7579, 7865, 8268, 8580, 8745, 9328, 9438, 9680, 10335, 11024, 11440, 11660, 12584, 12720, 12826, 13780, 13992, 14520, 15158, 15730, 16536, 17160, 17490, 18876, 19239, 20670, 22737, 23320, 23595, 25168, 25652, 27560, 27984, 29040, 30316, 31460, 32065, 33072, 34320, 34980, 37752, 37895, 38478, 41340, 45474, 46640, 47190, 51304, 55120, 60632, 62920, 64130, 69960, 75504, 75790, 76956, 82680, 83369, 90948, 94380, 96195, 102608, 113685, 121264, 125840, 128260, 139920, 151580, 153912, 165360, 166738, 181896, 188760, 192390, 227370, 250107, 256520, 303160, 307824, 333476, 363792, 377520, 384780, 416845, 454740, 500214, 513040, 606320, 666952, 769560, 833690, 909480, 1000428, 1250535, 1333904, 1539120, 1667380, 1818960, 2000856, 2501070, 3334760, 4001712, 5002140, 6669520, 10004280, 20008560]

約数ペア:

[(1, 20008560), (2, 10004280), (3, 6669520), (4, 5002140), (5, 4001712), (6, 3334760), (8, 2501070), (10, 2000856), (11, 1818960), (12, 1667380), (13, 1539120), (15, 1333904), (16, 1250535), (20, 1000428), (22, 909480), (24, 833690), (26, 769560), (30, 666952), (33, 606320), (39, 513040), (40, 500214), (44, 454740), (48, 416845), (52, 384780), (53, 377520), (55, 363792), (60, 333476), (65, 307824), (66, 303160), (78, 256520), (80, 250107), (88, 227370), (104, 192390), (106, 188760), (110, 181896), (120, 166738), (121, 165360), (130, 153912), (132, 151580), (143, 139920), (156, 128260), (159, 125840), (165, 121264), (176, 113685), (195, 102608), (208, 96195), (212, 94380), (220, 90948), (240, 83369), (242, 82680), (260, 76956), (264, 75790), (265, 75504), (286, 69960), (312, 64130), (318, 62920), (330, 60632), (363, 55120), (390, 51304), (424, 47190), (429, 46640), (440, 45474), (484, 41340), (520, 38478), (528, 37895), (530, 37752), (572, 34980), (583, 34320), (605, 33072), (624, 32065), (636, 31460), (660, 30316), (689, 29040), (715, 27984), (726, 27560), (780, 25652), (795, 25168), (848, 23595), (858, 23320), (880, 22737), (968, 20670), (1040, 19239), (1060, 18876), (1144, 17490), (1166, 17160), (1210, 16536), (1272, 15730), (1320, 15158), (1378, 14520), (1430, 13992), (1452, 13780), (1560, 12826), (1573, 12720), (1590, 12584), (1716, 11660), (1749, 11440), (1815, 11024), (1936, 10335), (2067, 9680), (2120, 9438), (2145, 9328), (2288, 8745), (2332, 8580), (2420, 8268), (2544, 7865), (2640, 7579), (2756, 7260), (2860, 6996), (2904, 6890), (2915, 6864), (3120, 6413), (3146, 6360), (3180, 6292), (3432, 5830), (3445, 5808), (3498, 5720), (3630, 5512), (4134, 4840), (4240, 4719), (4290, 4664)]