20045703

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 10159737

約数列:

[1, 3, 17, 19, 51, 57, 137, 151, 323, 411, 453, 969, 2329, 2567, 2603, 2869, 6987, 7701, 7809, 8607, 20687, 44251, 48773, 62061, 132753, 146319, 351679, 393053, 1055037, 1179159, 6681901, 20045703]

約数ペア:

[(1, 20045703), (3, 6681901), (17, 1179159), (19, 1055037), (51, 393053), (57, 351679), (137, 146319), (151, 132753), (323, 62061), (411, 48773), (453, 44251), (969, 20687), (2329, 8607), (2567, 7809), (2603, 7701), (2869, 6987)]