20905087404

素因数分解:

$2^2\times 3^1\times {\mathrm{1663}}^1\times {\mathrm{1047559}}^1$

素因数の和:1049229

約数の個数: 24

約数和(自身を含む): 48807915520

約数和(自身を除く): 27902828116

約数列:

[1, 2, 3, 4, 6, 12, 1663, 3326, 4989, 6652, 9978, 19956, 1047559, 2095118, 3142677, 4190236, 6285354, 12570708, 1742090617, 3484181234, 5226271851, 6968362468, 10452543702, 20905087404]

約数ペア:

[(1, 20905087404), (2, 10452543702), (3, 6968362468), (4, 5226271851), (6, 3484181234), (12, 1742090617), (1663, 12570708), (3326, 6285354), (4989, 4190236), (6652, 3142677), (9978, 2095118), (19956, 1047559)]