20809098

素因数分解:

$2^1\times 3^2\times {\mathrm{809}}^1\times {\mathrm{1429}}^1$

素因数の和:2246

約数の個数: 24

約数和(自身を含む): 45173700

約数和(自身を除く): 24364602

約数列:

[1, 2, 3, 6, 9, 18, 809, 1429, 1618, 2427, 2858, 4287, 4854, 7281, 8574, 12861, 14562, 25722, 1156061, 2312122, 3468183, 6936366, 10404549, 20809098]

約数ペア:

[(1, 20809098), (2, 10404549), (3, 6936366), (6, 3468183), (9, 2312122), (18, 1156061), (809, 25722), (1429, 14562), (1618, 12861), (2427, 8574), (2858, 7281), (4287, 4854)]