20125540

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2803}}^1$

素因数の和:3171

約数の個数: 24

約数和(自身を含む): 42396480

約数和(自身を除く): 22270940

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 2803, 3590, 5606, 7180, 11212, 14015, 28030, 56060, 1006277, 2012554, 4025108, 5031385, 10062770, 20125540]

約数ペア:

[(1, 20125540), (2, 10062770), (4, 5031385), (5, 4025108), (10, 2012554), (20, 1006277), (359, 56060), (718, 28030), (1436, 14015), (1795, 11212), (2803, 7180), (3590, 5606)]