20548801

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 7030079

約数列:

[1, 7, 13, 17, 37, 91, 119, 221, 259, 359, 481, 629, 1547, 2513, 3367, 4403, 4667, 6103, 8177, 13283, 32669, 42721, 57239, 79339, 92981, 172679, 225811, 555373, 1208753, 1580677, 2935543, 20548801]

約数ペア:

[(1, 20548801), (7, 2935543), (13, 1580677), (17, 1208753), (37, 555373), (91, 225811), (119, 172679), (221, 92981), (259, 79339), (359, 57239), (481, 42721), (629, 32669), (1547, 13283), (2513, 8177), (3367, 6103), (4403, 4667)]