20149855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{827}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 26469504

約数和(自身を除く): 6319649

約数列:

[1, 5, 11, 55, 443, 827, 2215, 4135, 4873, 9097, 24365, 45485, 366361, 1831805, 4029971, 20149855]

約数ペア:

[(1, 20149855), (5, 4029971), (11, 1831805), (55, 366361), (443, 45485), (827, 24365), (2215, 9097), (4135, 4873)]