20198060881

素因数分解:

${\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1\times {\mathrm{5821}}^1$

素因数の和:6672

約数の個数: 16

約数和(自身を含む): 21006148608

約数和(自身を除く): 808087727

約数列:

[1, 31, 173, 647, 5363, 5821, 20057, 111931, 180451, 1007033, 3469861, 3766187, 31218023, 116751797, 651550351, 20198060881]

約数ペア:

[(1, 20198060881), (31, 651550351), (173, 116751797), (647, 31218023), (5363, 3766187), (5821, 3469861), (20057, 1007033), (111931, 180451)]