2020198960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149423}}^1$

素因数の和:149462

約数の個数: 60

約数和(自身を含む): 5086094112

約数和(自身を除く): 3065895152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 149423, 298846, 597692, 747115, 1195384, 1494230, 1942499, 2390768, 2988460, 3884998, 5976920, 7769996, 9712495, 11953840, 15539992, 19424990, 25252487, 31079984, 38849980, 50504974, 77699960, 101009948, 126262435, 155399920, 202019896, 252524870, 404039792, 505049740, 1010099480, 2020198960]

約数ペア:

[(1, 2020198960), (2, 1010099480), (4, 505049740), (5, 404039792), (8, 252524870), (10, 202019896), (13, 155399920), (16, 126262435), (20, 101009948), (26, 77699960), (40, 50504974), (52, 38849980), (65, 31079984), (80, 25252487), (104, 19424990), (130, 15539992), (169, 11953840), (208, 9712495), (260, 7769996), (338, 5976920), (520, 3884998), (676, 2988460), (845, 2390768), (1040, 1942499), (1352, 1494230), (1690, 1195384), (2704, 747115), (3380, 597692), (6760, 298846), (13520, 149423)]