20459270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{467}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 39862368

約数和(自身を除く): 19403098

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 467, 674, 934, 1685, 2335, 3370, 4381, 4670, 6071, 8762, 12142, 21905, 30355, 43810, 60710, 157379, 314758, 786895, 1573790, 2045927, 4091854, 10229635, 20459270]

約数ペア:

[(1, 20459270), (2, 10229635), (5, 4091854), (10, 2045927), (13, 1573790), (26, 786895), (65, 314758), (130, 157379), (337, 60710), (467, 43810), (674, 30355), (934, 21905), (1685, 12142), (2335, 8762), (3370, 6071), (4381, 4670)]