20923881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1217}}^1$

素因数の和:1752

約数の個数: 16

約数和(自身を含む): 30518208

約数和(自身を除く): 9594327

約数列:

[1, 3, 11, 33, 521, 1217, 1563, 3651, 5731, 13387, 17193, 40161, 634057, 1902171, 6974627, 20923881]

約数ペア:

[(1, 20923881), (3, 6974627), (11, 1902171), (33, 634057), (521, 40161), (1217, 17193), (1563, 13387), (3651, 5731)]