20988098

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26839}}^1$

素因数の和:26881

約数の個数: 16

約数和(自身を含む): 34784640

約数和(自身を除く): 13796542

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26839, 53678, 456263, 617297, 912526, 1234594, 10494049, 20988098]

約数ペア:

[(1, 20988098), (2, 10494049), (17, 1234594), (23, 912526), (34, 617297), (46, 456263), (391, 53678), (782, 26839)]