20660717

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1499}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 25920000

約数和(自身を除く): 5259283

約数列:

[1, 7, 11, 77, 179, 1253, 1499, 1969, 10493, 13783, 16489, 115423, 268321, 1878247, 2951531, 20660717]

約数ペア:

[(1, 20660717), (7, 2951531), (11, 1878247), (77, 268321), (179, 115423), (1253, 16489), (1499, 13783), (1969, 10493)]