20199095470

素因数分解:

$2^1\times 5^1\times {\mathrm{3923}}^1\times {\mathrm{514889}}^1$

素因数の和:518819

約数の個数: 16

約数和(自身を含む): 36367710480

約数和(自身を除く): 16168615010

約数列:

[1, 2, 5, 10, 3923, 7846, 19615, 39230, 514889, 1029778, 2574445, 5148890, 2019909547, 4039819094, 10099547735, 20199095470]

約数ペア:

[(1, 20199095470), (2, 10099547735), (5, 4039819094), (10, 2019909547), (3923, 5148890), (7846, 2574445), (19615, 1029778), (39230, 514889)]