20123132393

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{245977}}^1$

素因数の和:246057

約数の個数: 32

約数和(自身を含む): 26447554560

約数和(自身を除く): 6324422167

約数列:

[1, 7, 13, 29, 31, 91, 203, 217, 377, 403, 899, 2639, 2821, 6293, 11687, 81809, 245977, 1721839, 3197701, 7133333, 7625287, 22383907, 49933331, 53377009, 92733329, 99128731, 221133323, 649133303, 693901117, 1547933261, 2874733199, 20123132393]

約数ペア:

[(1, 20123132393), (7, 2874733199), (13, 1547933261), (29, 693901117), (31, 649133303), (91, 221133323), (203, 99128731), (217, 92733329), (377, 53377009), (403, 49933331), (899, 22383907), (2639, 7625287), (2821, 7133333), (6293, 3197701), (11687, 1721839), (81809, 245977)]