20624890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14423}}^1$

素因数の和:14454

約数の個数: 32

約数和(自身を含む): 43618176

約数和(自身を除く): 22993286

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14423, 28846, 72115, 144230, 158653, 187499, 317306, 374998, 793265, 937495, 1586530, 1874990, 2062489, 4124978, 10312445, 20624890]

約数ペア:

[(1, 20624890), (2, 10312445), (5, 4124978), (10, 2062489), (11, 1874990), (13, 1586530), (22, 937495), (26, 793265), (55, 374998), (65, 317306), (110, 187499), (130, 158653), (143, 144230), (286, 72115), (715, 28846), (1430, 14423)]