20042649

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{457}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 31722912

約数和(自身を除く): 11680263

約数列:

[1, 3, 9, 11, 33, 99, 443, 457, 1329, 1371, 3987, 4113, 4873, 5027, 14619, 15081, 43857, 45243, 202451, 607353, 1822059, 2226961, 6680883, 20042649]

約数ペア:

[(1, 20042649), (3, 6680883), (9, 2226961), (11, 1822059), (33, 607353), (99, 202451), (443, 45243), (457, 43857), (1329, 15081), (1371, 14619), (3987, 5027), (4113, 4873)]