20862753

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 28394496

約数和(自身を除く): 7531743

約数列:

[1, 3, 103, 107, 309, 321, 631, 1893, 11021, 33063, 64993, 67517, 194979, 202551, 6954251, 20862753]

約数ペア:

[(1, 20862753), (3, 6954251), (103, 202551), (107, 194979), (309, 67517), (321, 64993), (631, 33063), (1893, 11021)]