20453870

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28019}}^1$

素因数の和:28099

約数の個数: 16

約数和(自身を含む): 37322640

約数和(自身を除く): 16868770

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28019, 56038, 140095, 280190, 2045387, 4090774, 10226935, 20453870]

約数ペア:

[(1, 20453870), (2, 10226935), (5, 4090774), (10, 2045387), (73, 280190), (146, 140095), (365, 56038), (730, 28019)]