20178775854

素因数分解:

$2^1\times 3^2\times {\mathrm{1121043103}}^1$

素因数の和:1121043111

約数の個数: 12

約数和(自身を含む): 43720681056

約数和(自身を除く): 23541905202

約数列:

[1, 2, 3, 6, 9, 18, 1121043103, 2242086206, 3363129309, 6726258618, 10089387927, 20178775854]

約数ペア:

[(1, 20178775854), (2, 10089387927), (3, 6726258618), (6, 3363129309), (9, 2242086206), (18, 1121043103)]