20888774

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{619}}^1$

素因数の和:1027

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 11252026

約数列:

[1, 2, 47, 94, 359, 619, 718, 1238, 16873, 29093, 33746, 58186, 222221, 444442, 10444387, 20888774]

約数ペア:

[(1, 20888774), (2, 10444387), (47, 444442), (94, 222221), (359, 58186), (619, 33746), (718, 29093), (1238, 16873)]