20187169

素因数分解:

${\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1308

約数の個数: 12

約数和(自身を含む): 21801472

約数和(自身を除く): 1614303

約数列:

[1, 23, 31, 529, 713, 1231, 16399, 28313, 38161, 651199, 877703, 20187169]

約数ペア:

[(1, 20187169), (23, 877703), (31, 651199), (529, 38161), (713, 28313), (1231, 16399)]