20176786545

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{258329}}^1$

素因数の和:258505

約数の個数: 32

約数和(自身を含む): 33330769920

約数和(自身を除く): 13153983375

約数列:

[1, 3, 5, 15, 41, 123, 127, 205, 381, 615, 635, 1905, 5207, 15621, 26035, 78105, 258329, 774987, 1291645, 3874935, 10591489, 31774467, 32807783, 52957445, 98423349, 158872335, 164038915, 492116745, 1345119103, 4035357309, 6725595515, 20176786545]

約数ペア:

[(1, 20176786545), (3, 6725595515), (5, 4035357309), (15, 1345119103), (41, 492116745), (123, 164038915), (127, 158872335), (205, 98423349), (381, 52957445), (615, 32807783), (635, 31774467), (1905, 10591489), (5207, 3874935), (15621, 1291645), (26035, 774987), (78105, 258329)]