20145554475

素因数分解:

$3^1\times 5^2\times {\mathrm{479}}^1\times {\mathrm{560767}}^1$

素因数の和:561259

約数の個数: 24

約数和(自身を含む): 33376911360

約数和(自身を除く): 13231356885

約数列:

[1, 3, 5, 15, 25, 75, 479, 1437, 2395, 7185, 11975, 35925, 560767, 1682301, 2803835, 8411505, 14019175, 42057525, 268607393, 805822179, 1343036965, 4029110895, 6715184825, 20145554475]

約数ペア:

[(1, 20145554475), (3, 6715184825), (5, 4029110895), (15, 1343036965), (25, 805822179), (75, 268607393), (479, 42057525), (1437, 14019175), (2395, 8411505), (7185, 2803835), (11975, 1682301), (35925, 560767)]