20971366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{3617}}^1$

素因数の和:3855

約数の個数: 16

約数和(自身を含む): 34038144

約数和(自身を除く): 13066778

約数列:

[1, 2, 13, 26, 223, 446, 2899, 3617, 5798, 7234, 47021, 94042, 806591, 1613182, 10485683, 20971366]

約数ペア:

[(1, 20971366), (2, 10485683), (13, 1613182), (26, 806591), (223, 94042), (446, 47021), (2899, 7234), (3617, 5798)]