20816830

素因数分解:

$2^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2707}}^1$

素因数の和:3483

約数の個数: 16

約数和(自身を含む): 37532880

約数和(自身を除く): 16716050

約数列:

[1, 2, 5, 10, 769, 1538, 2707, 3845, 5414, 7690, 13535, 27070, 2081683, 4163366, 10408415, 20816830]

約数ペア:

[(1, 20816830), (2, 10408415), (5, 4163366), (10, 2081683), (769, 27070), (1538, 13535), (2707, 7690), (3845, 5414)]