20438481

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8929}}^1$

素因数の和:9048

約数の個数: 16

約数和(自身を含む): 31433600

約数和(自身を除く): 10995119

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8929, 26787, 62503, 187509, 973261, 2919783, 6812827, 20438481]

約数ペア:

[(1, 20438481), (3, 6812827), (7, 2919783), (21, 973261), (109, 187509), (327, 62503), (763, 26787), (2289, 8929)]