20489021279

素因数分解:

${\mathrm{19}}^1\times {\mathrm{1231}}^1\times {\mathrm{876011}}^1$

素因数の和:877261

約数の個数: 8

約数和(自身を含む): 21584935680

約数和(自身を除く): 1095914401

約数列:

[1, 19, 1231, 23389, 876011, 16644209, 1078369541, 20489021279]

約数ペア:

[(1, 20489021279), (19, 1078369541), (1231, 16644209), (23389, 876011)]