20161519108

素因数分解:

$2^2\times {\mathrm{25471}}^1\times {\mathrm{197887}}^1$

素因数の和:223362

約数の個数: 12

約数和(自身を含む): 35284221952

約数和(自身を除く): 15122702844

約数列:

[1, 2, 4, 25471, 50942, 101884, 197887, 395774, 791548, 5040379777, 10080759554, 20161519108]

約数ペア:

[(1, 20161519108), (2, 10080759554), (4, 5040379777), (25471, 791548), (50942, 395774), (101884, 197887)]