20899818

素因数分解:

$2^1\times 3^2\times {\mathrm{1161101}}^1$

素因数の和:1161109

約数の個数: 12

約数和(自身を含む): 45282978

約数和(自身を除く): 24383160

約数列:

[1, 2, 3, 6, 9, 18, 1161101, 2322202, 3483303, 6966606, 10449909, 20899818]

約数ペア:

[(1, 20899818), (2, 10449909), (3, 6966606), (6, 3483303), (9, 2322202), (18, 1161101)]