20797764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133319}}^1$

素因数の和:133339

約数の個数: 24

約数和(自身を含む): 52261440

約数和(自身を除く): 31463676

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133319, 266638, 399957, 533276, 799914, 1599828, 1733147, 3466294, 5199441, 6932588, 10398882, 20797764]

約数ペア:

[(1, 20797764), (2, 10398882), (3, 6932588), (4, 5199441), (6, 3466294), (12, 1733147), (13, 1599828), (26, 799914), (39, 533276), (52, 399957), (78, 266638), (156, 133319)]