20369620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24841}}^1$

素因数の和:24891

約数の個数: 24

約数和(自身を含む): 43821288

約数和(自身を除く): 23451668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24841, 49682, 99364, 124205, 248410, 496820, 1018481, 2036962, 4073924, 5092405, 10184810, 20369620]

約数ペア:

[(1, 20369620), (2, 10184810), (4, 5092405), (5, 4073924), (10, 2036962), (20, 1018481), (41, 496820), (82, 248410), (164, 124205), (205, 99364), (410, 49682), (820, 24841)]