20525781040

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2270551}}^1$

素因数の和:2270677

約数の個数: 40

約数和(自身を含む): 48144784608

約数和(自身を除く): 27619003568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 2270551, 4541102, 9082204, 11352755, 18164408, 22705510, 36328816, 45411020, 90822040, 181644080, 256572263, 513144526, 1026289052, 1282861315, 2052578104, 2565722630, 4105156208, 5131445260, 10262890520, 20525781040]

約数ペア:

[(1, 20525781040), (2, 10262890520), (4, 5131445260), (5, 4105156208), (8, 2565722630), (10, 2052578104), (16, 1282861315), (20, 1026289052), (40, 513144526), (80, 256572263), (113, 181644080), (226, 90822040), (452, 45411020), (565, 36328816), (904, 22705510), (1130, 18164408), (1808, 11352755), (2260, 9082204), (4520, 4541102), (9040, 2270551)]