20068741

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{991}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 25141248

約数和(自身を除く): 5072507

約数列:

[1, 7, 11, 77, 263, 991, 1841, 2893, 6937, 10901, 20251, 76307, 260633, 1824431, 2866963, 20068741]

約数ペア:

[(1, 20068741), (7, 2866963), (11, 1824431), (77, 260633), (263, 76307), (991, 20251), (1841, 10901), (2893, 6937)]