20565854885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1\times {\mathrm{5153}}^1$

素因数の和:6197

約数の個数: 32

約数和(自身を含む): 26614431360

約数和(自身を除く): 6048576475

約数列:

[1, 5, 19, 43, 95, 215, 817, 977, 4085, 4885, 5153, 18563, 25765, 42011, 92815, 97907, 210055, 221579, 489535, 798209, 1107895, 3991045, 4210001, 5034481, 21050005, 25172405, 95655139, 216482683, 478275695, 1082413415, 4113170977, 20565854885]

約数ペア:

[(1, 20565854885), (5, 4113170977), (19, 1082413415), (43, 478275695), (95, 216482683), (215, 95655139), (817, 25172405), (977, 21050005), (4085, 5034481), (4885, 4210001), (5153, 3991045), (18563, 1107895), (25765, 798209), (42011, 489535), (92815, 221579), (97907, 210055)]