20886918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{267781}}^1$

素因数の和:267799

約数の個数: 16

約数和(自身を含む): 44987376

約数和(自身を除く): 24100458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 267781, 535562, 803343, 1606686, 3481153, 6962306, 10443459, 20886918]

約数ペア:

[(1, 20886918), (2, 10443459), (3, 6962306), (6, 3481153), (13, 1606686), (26, 803343), (39, 535562), (78, 267781)]