20199108890

素因数分解:

$2^1\times 5^1\times {\mathrm{5591}}^1\times {\mathrm{361279}}^1$

素因数の和:366877

約数の個数: 16

約数和(自身を含む): 36364999680

約数和(自身を除く): 16165890790

約数列:

[1, 2, 5, 10, 5591, 11182, 27955, 55910, 361279, 722558, 1806395, 3612790, 2019910889, 4039821778, 10099554445, 20199108890]

約数ペア:

[(1, 20199108890), (2, 10099554445), (5, 4039821778), (10, 2019910889), (5591, 3612790), (11182, 1806395), (27955, 722558), (55910, 361279)]