20975702

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1511}}^1$

素因数の和:2155

約数の個数: 16

約数和(自身を含む): 34401024

約数和(自身を除く): 13425322

約数列:

[1, 2, 11, 22, 631, 1262, 1511, 3022, 6941, 13882, 16621, 33242, 953441, 1906882, 10487851, 20975702]

約数ペア:

[(1, 20975702), (2, 10487851), (11, 1906882), (22, 953441), (631, 33242), (1262, 16621), (1511, 13882), (3022, 6941)]