20129844560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{835957}}^1$

素因数の和:836020

約数の個数: 80

約数和(自身を含む): 54731842176

約数和(自身を除く): 34601997616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 6020, 12040, 24080, 835957, 1671914, 3343828, 4179785, 5851699, 6687656, 8359570, 11703398, 13375312, 16719140, 23406796, 29258495, 33438280, 35946151, 46813592, 58516990, 66876560, 71892302, 93627184, 117033980, 143784604, 179730755, 234067960, 251623057, 287569208, 359461510, 468135920, 503246114, 575138416, 718923020, 1006492228, 1258115285, 1437846040, 2012984456, 2516230570, 2875692080, 4025968912, 5032461140, 10064922280, 20129844560]

約数ペア:

[(1, 20129844560), (2, 10064922280), (4, 5032461140), (5, 4025968912), (7, 2875692080), (8, 2516230570), (10, 2012984456), (14, 1437846040), (16, 1258115285), (20, 1006492228), (28, 718923020), (35, 575138416), (40, 503246114), (43, 468135920), (56, 359461510), (70, 287569208), (80, 251623057), (86, 234067960), (112, 179730755), (140, 143784604), (172, 117033980), (215, 93627184), (280, 71892302), (301, 66876560), (344, 58516990), (430, 46813592), (560, 35946151), (602, 33438280), (688, 29258495), (860, 23406796), (1204, 16719140), (1505, 13375312), (1720, 11703398), (2408, 8359570), (3010, 6687656), (3440, 5851699), (4816, 4179785), (6020, 3343828), (12040, 1671914), (24080, 835957)]