20431816

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{11251}}^1$

素因数の和:11484

約数の個数: 16

約数和(自身を含む): 38481840

約数和(自身を除く): 18050024

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 11251, 22502, 45004, 90008, 2553977, 5107954, 10215908, 20431816]

約数ペア:

[(1, 20431816), (2, 10215908), (4, 5107954), (8, 2553977), (227, 90008), (454, 45004), (908, 22502), (1816, 11251)]