20138025715

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1\times {\mathrm{1201}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 24768892800

約数和(自身を除く): 4630867085

約数列:

[1, 5, 71, 149, 317, 355, 745, 1201, 1585, 6005, 10579, 22507, 47233, 52895, 85271, 112535, 178949, 236165, 380717, 426355, 894745, 1903585, 3353543, 12705379, 16767715, 27030907, 56726833, 63526895, 135154535, 283634165, 4027605143, 20138025715]

約数ペア:

[(1, 20138025715), (5, 4027605143), (71, 283634165), (149, 135154535), (317, 63526895), (355, 56726833), (745, 27030907), (1201, 16767715), (1585, 12705379), (6005, 3353543), (10579, 1903585), (22507, 894745), (47233, 426355), (52895, 380717), (85271, 236165), (112535, 178949)]