20358416

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7529}}^1$

素因数の和:7563

約数の個数: 30

約数和(自身を含む): 42717690

約数和(自身を除く): 22359274

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7529, 15058, 30116, 60232, 97877, 120464, 195754, 391508, 783016, 1272401, 1566032, 2544802, 5089604, 10179208, 20358416]

約数ペア:

[(1, 20358416), (2, 10179208), (4, 5089604), (8, 2544802), (13, 1566032), (16, 1272401), (26, 783016), (52, 391508), (104, 195754), (169, 120464), (208, 97877), (338, 60232), (676, 30116), (1352, 15058), (2704, 7529)]