2020190120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{46807}}^1$

素因数の和:46914

約数の個数: 64

約数和(自身を含む): 4954158720

約数和(自身を除く): 2933968600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 2158, 3320, 4316, 5395, 8632, 10790, 21580, 43160, 46807, 93614, 187228, 234035, 374456, 468070, 608491, 936140, 1216982, 1872280, 2433964, 3042455, 3884981, 4867928, 6084910, 7769962, 12169820, 15539924, 19424905, 24339640, 31079848, 38849810, 50504753, 77699620, 101009506, 155399240, 202019012, 252523765, 404038024, 505047530, 1010095060, 2020190120]

約数ペア:

[(1, 2020190120), (2, 1010095060), (4, 505047530), (5, 404038024), (8, 252523765), (10, 202019012), (13, 155399240), (20, 101009506), (26, 77699620), (40, 50504753), (52, 38849810), (65, 31079848), (83, 24339640), (104, 19424905), (130, 15539924), (166, 12169820), (260, 7769962), (332, 6084910), (415, 4867928), (520, 3884981), (664, 3042455), (830, 2433964), (1079, 1872280), (1660, 1216982), (2158, 936140), (3320, 608491), (4316, 468070), (5395, 374456), (8632, 234035), (10790, 187228), (21580, 93614), (43160, 46807)]