20471009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 23506560

約数和(自身を除く): 3035551

約数列:

[1, 13, 17, 211, 221, 439, 2743, 3587, 5707, 7463, 46631, 92629, 97019, 1204177, 1574693, 20471009]

約数ペア:

[(1, 20471009), (13, 1574693), (17, 1204177), (211, 97019), (221, 92629), (439, 46631), (2743, 7463), (3587, 5707)]