20157735304

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3494753}}^1$

素因数の和:3494869

約数の個数: 32

約数和(自身を含む): 43614529920

約数和(自身を除く): 23456794616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 3494753, 6989506, 13979012, 24463271, 27958024, 48926542, 97853084, 195706168, 359959559, 719919118, 1439838236, 2519716913, 2879676472, 5039433826, 10078867652, 20157735304]

約数ペア:

[(1, 20157735304), (2, 10078867652), (4, 5039433826), (7, 2879676472), (8, 2519716913), (14, 1439838236), (28, 719919118), (56, 359959559), (103, 195706168), (206, 97853084), (412, 48926542), (721, 27958024), (824, 24463271), (1442, 13979012), (2884, 6989506), (5768, 3494753)]