20652993

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 30973800

約数和(自身を除く): 10320807

約数列:

[1, 3, 9, 37, 109, 111, 327, 333, 569, 981, 1707, 4033, 5121, 12099, 21053, 36297, 62021, 63159, 186063, 189477, 558189, 2294777, 6884331, 20652993]

約数ペア:

[(1, 20652993), (3, 6884331), (9, 2294777), (37, 558189), (109, 189477), (111, 186063), (327, 63159), (333, 62021), (569, 36297), (981, 21053), (1707, 12099), (4033, 5121)]