20199789710

素因数分解:

$2^1\times 5^1\times {\mathrm{5381}}^1\times {\mathrm{375391}}^1$

素因数の和:380779

約数の個数: 16

約数和(自身を含む): 36366475392

約数和(自身を除く): 16166685682

約数列:

[1, 2, 5, 10, 5381, 10762, 26905, 53810, 375391, 750782, 1876955, 3753910, 2019978971, 4039957942, 10099894855, 20199789710]

約数ペア:

[(1, 20199789710), (2, 10099894855), (5, 4039957942), (10, 2019978971), (5381, 3753910), (10762, 1876955), (26905, 750782), (53810, 375391)]