20157277

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{4073}}^1$

素因数の和:4188

約数の個数: 12

約数和(自身を含む): 23686236

約数和(自身を除く): 3528959

約数列:

[1, 7, 49, 101, 707, 4073, 4949, 28511, 199577, 411373, 2879611, 20157277]

約数ペア:

[(1, 20157277), (7, 2879611), (49, 411373), (101, 199577), (707, 28511), (4073, 4949)]