20208019

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1590

約数の個数: 16

約数和(自身を含む): 23436000

約数和(自身を除く): 3227981

約数列:

[1, 13, 17, 61, 221, 793, 1037, 1499, 13481, 19487, 25483, 91439, 331279, 1188707, 1554463, 20208019]

約数ペア:

[(1, 20208019), (13, 1554463), (17, 1188707), (61, 331279), (221, 91439), (793, 25483), (1037, 19487), (1499, 13481)]