20191801

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5851}}^1$

素因数の和:5904

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 5088839

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 5851, 40957, 99467, 169679, 696269, 1187753, 2884543, 20191801]

約数ペア:

[(1, 20191801), (7, 2884543), (17, 1187753), (29, 696269), (119, 169679), (203, 99467), (493, 40957), (3451, 5851)]