20157826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2477}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 32679864

約数和(自身を除く): 12522038

約数列:

[1, 2, 13, 26, 313, 626, 2477, 4069, 4954, 8138, 32201, 64402, 775301, 1550602, 10078913, 20157826]

約数ペア:

[(1, 20157826), (2, 10078913), (13, 1550602), (26, 775301), (313, 64402), (626, 32201), (2477, 8138), (4069, 4954)]