20321431

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2837}}^1$

素因数の和:2898

約数の個数: 16

約数和(自身を含む): 23839200

約数和(自身を除く): 3517769

約数列:

[1, 13, 19, 29, 247, 377, 551, 2837, 7163, 36881, 53903, 82273, 700739, 1069549, 1563187, 20321431]

約数ペア:

[(1, 20321431), (13, 1563187), (19, 1069549), (29, 700739), (247, 82273), (377, 53903), (551, 36881), (2837, 7163)]