20199385408

素因数分解:

$2^6\times {\mathrm{397}}^1\times {\mathrm{795001}}^1$

素因数の和:795410

約数の個数: 28

約数和(自身を含む): 40184171092

約数和(自身を除く): 19984785684

約数列:

[1, 2, 4, 8, 16, 32, 64, 397, 794, 1588, 3176, 6352, 12704, 25408, 795001, 1590002, 3180004, 6360008, 12720016, 25440032, 50880064, 315615397, 631230794, 1262461588, 2524923176, 5049846352, 10099692704, 20199385408]

約数ペア:

[(1, 20199385408), (2, 10099692704), (4, 5049846352), (8, 2524923176), (16, 1262461588), (32, 631230794), (64, 315615397), (397, 50880064), (794, 25440032), (1588, 12720016), (3176, 6360008), (6352, 3180004), (12704, 1590002), (25408, 795001)]