20161665620

素因数分解:

$2^2\times 5^1\times {\mathrm{6971}}^1\times {\mathrm{144611}}^1$

素因数の和:151591

約数の個数: 24

約数和(自身を含む): 42345864288

約数和(自身を除く): 22184198668

約数列:

[1, 2, 4, 5, 10, 20, 6971, 13942, 27884, 34855, 69710, 139420, 144611, 289222, 578444, 723055, 1446110, 2892220, 1008083281, 2016166562, 4032333124, 5040416405, 10080832810, 20161665620]

約数ペア:

[(1, 20161665620), (2, 10080832810), (4, 5040416405), (5, 4032333124), (10, 2016166562), (20, 1008083281), (6971, 2892220), (13942, 1446110), (27884, 723055), (34855, 578444), (69710, 289222), (139420, 144611)]