20884017

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90407}}^1$

素因数の和:90428

約数の個数: 16

約数和(自身を含む): 34716672

約数和(自身を除く): 13832655

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90407, 271221, 632849, 994477, 1898547, 2983431, 6961339, 20884017]

約数ペア:

[(1, 20884017), (3, 6961339), (7, 2983431), (11, 1898547), (21, 994477), (33, 632849), (77, 271221), (231, 90407)]