20670416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99377}}^1$

素因数の和:99398

約数の個数: 20

約数和(自身を含む): 43130052

約数和(自身を除く): 22459636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99377, 198754, 397508, 795016, 1291901, 1590032, 2583802, 5167604, 10335208, 20670416]

約数ペア:

[(1, 20670416), (2, 10335208), (4, 5167604), (8, 2583802), (13, 1590032), (16, 1291901), (26, 795016), (52, 397508), (104, 198754), (208, 99377)]