20235722416

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13898161}}^1$

素因数の和:13898189

約数の個数: 40

約数和(自身を含む): 48254418464

約数和(自身を除く): 28018696048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13898161, 27796322, 55592644, 97287127, 111185288, 180676093, 194574254, 222370576, 361352186, 389148508, 722704372, 778297016, 1264732651, 1445408744, 1556594032, 2529465302, 2890817488, 5058930604, 10117861208, 20235722416]

約数ペア:

[(1, 20235722416), (2, 10117861208), (4, 5058930604), (7, 2890817488), (8, 2529465302), (13, 1556594032), (14, 1445408744), (16, 1264732651), (26, 778297016), (28, 722704372), (52, 389148508), (56, 361352186), (91, 222370576), (104, 194574254), (112, 180676093), (182, 111185288), (208, 97287127), (364, 55592644), (728, 27796322), (1456, 13898161)]