20348021845

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{3011}}^1$

素因数の和:3405

約数の個数: 32

約数和(自身を含む): 25242969600

約数和(自身を除く): 4894947755

約数列:

[1, 5, 47, 149, 193, 235, 745, 965, 3011, 7003, 9071, 15055, 28757, 35015, 45355, 141517, 143785, 448639, 581123, 707585, 1351579, 2243195, 2905615, 6757895, 21086033, 27312781, 86587327, 105430165, 136563905, 432936635, 4069604369, 20348021845]

約数ペア:

[(1, 20348021845), (5, 4069604369), (47, 432936635), (149, 136563905), (193, 105430165), (235, 86587327), (745, 27312781), (965, 21086033), (3011, 6757895), (7003, 2905615), (9071, 2243195), (15055, 1351579), (28757, 707585), (35015, 581123), (45355, 448639), (141517, 143785)]