20660464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117389}}^1$

素因数の和:117408

約数の個数: 20

約数和(自身を含む): 43669080

約数和(自身を除く): 23008616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117389, 234778, 469556, 939112, 1291279, 1878224, 2582558, 5165116, 10330232, 20660464]

約数ペア:

[(1, 20660464), (2, 10330232), (4, 5165116), (8, 2582558), (11, 1878224), (16, 1291279), (22, 939112), (44, 469556), (88, 234778), (176, 117389)]