20145121409

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{201011}}^1$

素因数の和:201260

約数の個数: 16

約数和(自身を含む): 23413877760

約数和(自身を除く): 3268756351

約数列:

[1, 7, 103, 139, 721, 973, 14317, 100219, 201011, 1407077, 20704133, 27940529, 144928931, 195583703, 2877874487, 20145121409]

約数ペア:

[(1, 20145121409), (7, 2877874487), (103, 195583703), (139, 144928931), (721, 27940529), (973, 20704133), (14317, 1407077), (100219, 201011)]