20120123111

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1\times {\mathrm{20129}}^1$

素因数の和:21250

約数の個数: 16

約数和(自身を含む): 22218688800

約数和(自身を除く): 2098565689

約数列:

[1, 11, 89, 979, 1021, 11231, 20129, 90869, 221419, 999559, 1791481, 19706291, 20551709, 226068799, 1829102101, 20120123111]

約数ペア:

[(1, 20120123111), (11, 1829102101), (89, 226068799), (979, 20551709), (1021, 19706291), (11231, 1791481), (20129, 999559), (90869, 221419)]