20163589353940

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2186940277}}^1$

素因数の和:2186940747

約数の個数: 24

約数和(自身を含む): 42435389154312

約数和(自身を除く): 22271799800372

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 2186940277, 4373880554, 8747761108, 10934701385, 21869402770, 43738805540, 1008179467697, 2016358935394, 4032717870788, 5040897338485, 10081794676970, 20163589353940]

約数ペア:

[(1, 20163589353940), (2, 10081794676970), (4, 5040897338485), (5, 4032717870788), (10, 2016358935394), (20, 1008179467697), (461, 43738805540), (922, 21869402770), (1844, 10934701385), (2305, 8747761108), (4610, 4373880554), (9220, 2186940277)]