20971078

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7727}}^1$

素因数の和:7811

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12413882

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7727, 15454, 177721, 355442, 455893, 911786, 10485539, 20971078]

約数ペア:

[(1, 20971078), (2, 10485539), (23, 911786), (46, 455893), (59, 355442), (118, 177721), (1357, 15454), (2714, 7727)]