20734479

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 31095792

約数和(自身を除く): 10361313

約数列:

[1, 3, 9, 41, 83, 123, 249, 369, 677, 747, 2031, 3403, 6093, 10209, 27757, 30627, 56191, 83271, 168573, 249813, 505719, 2303831, 6911493, 20734479]

約数ペア:

[(1, 20734479), (3, 6911493), (9, 2303831), (41, 505719), (83, 249813), (123, 168573), (249, 83271), (369, 56191), (677, 30627), (747, 27757), (2031, 10209), (3403, 6093)]