20512166571

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{704087}}^1$

素因数の和:704192

約数の個数: 32

約数和(自身を含む): 33120299520

約数和(自身を除く): 12608132949

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 747, 1079, 2241, 3237, 9711, 29133, 704087, 2112261, 6336783, 9153131, 19010349, 27459393, 58439221, 82378179, 175317663, 247134537, 525952989, 759709873, 1577858967, 2279129619, 6837388857, 20512166571]

約数ペア:

[(1, 20512166571), (3, 6837388857), (9, 2279129619), (13, 1577858967), (27, 759709873), (39, 525952989), (83, 247134537), (117, 175317663), (249, 82378179), (351, 58439221), (747, 27459393), (1079, 19010349), (2241, 9153131), (3237, 6336783), (9711, 2112261), (29133, 704087)]