20613775345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{4861}}^1$

素因数の和:5257

約数の個数: 32

約数和(自身を含む): 25876730880

約数和(自身を除く): 5262955535

約数列:

[1, 5, 31, 109, 155, 251, 545, 1255, 3379, 4861, 7781, 16895, 24305, 27359, 38905, 136795, 150691, 529849, 753455, 848129, 1220111, 2649245, 4240645, 6100555, 16425319, 37823441, 82126595, 132992099, 189117205, 664960495, 4122755069, 20613775345]

約数ペア:

[(1, 20613775345), (5, 4122755069), (31, 664960495), (109, 189117205), (155, 132992099), (251, 82126595), (545, 37823441), (1255, 16425319), (3379, 6100555), (4861, 4240645), (7781, 2649245), (16895, 1220111), (24305, 848129), (27359, 753455), (38905, 529849), (136795, 150691)]