20511458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14325022

約数列:

[1, 2, 11, 22, 47, 83, 94, 166, 239, 478, 517, 913, 1034, 1826, 2629, 3901, 5258, 7802, 11233, 19837, 22466, 39674, 42911, 85822, 123563, 218207, 247126, 436414, 932339, 1864678, 10255729, 20511458]

約数ペア:

[(1, 20511458), (2, 10255729), (11, 1864678), (22, 932339), (47, 436414), (83, 247126), (94, 218207), (166, 123563), (239, 85822), (478, 42911), (517, 39674), (913, 22466), (1034, 19837), (1826, 11233), (2629, 7802), (3901, 5258)]