20355088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97861}}^1$

素因数の和:97882

約数の個数: 20

約数和(自身を含む): 42472108

約数和(自身を除く): 22117020

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97861, 195722, 391444, 782888, 1272193, 1565776, 2544386, 5088772, 10177544, 20355088]

約数ペア:

[(1, 20355088), (2, 10177544), (4, 5088772), (8, 2544386), (13, 1565776), (16, 1272193), (26, 782888), (52, 391444), (104, 195722), (208, 97861)]