20809612490050

素因数分解:

$2^1\times 5^2\times {\mathrm{431}}^1\times {\mathrm{6007}}^1\times {\mathrm{160753}}^1$

素因数の和:167203

約数の個数: 48

約数和(自身を含む): 38802383845632

約数和(自身を除く): 17992771355582

約数列:

[1, 2, 5, 10, 25, 50, 431, 862, 2155, 4310, 6007, 10775, 12014, 21550, 30035, 60070, 150175, 160753, 300350, 321506, 803765, 1607530, 2589017, 4018825, 5178034, 8037650, 12945085, 25890170, 64725425, 69284543, 129450850, 138569086, 346422715, 692845430, 965643271, 1732113575, 1931286542, 3464227150, 4828216355, 9656432710, 24141081775, 48282163550, 416192249801, 832384499602, 2080961249005, 4161922498010, 10404806245025, 20809612490050]

約数ペア:

[(1, 20809612490050), (2, 10404806245025), (5, 4161922498010), (10, 2080961249005), (25, 832384499602), (50, 416192249801), (431, 48282163550), (862, 24141081775), (2155, 9656432710), (4310, 4828216355), (6007, 3464227150), (10775, 1931286542), (12014, 1732113575), (21550, 965643271), (30035, 692845430), (60070, 346422715), (150175, 138569086), (160753, 129450850), (300350, 69284543), (321506, 64725425), (803765, 25890170), (1607530, 12945085), (2589017, 8037650), (4018825, 5178034)]