20903690

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11549}}^1$

素因数の和:11737

約数の個数: 16

約数和(自身を含む): 37837800

約数和(自身を除く): 16934110

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 11549, 23098, 57745, 115490, 2090369, 4180738, 10451845, 20903690]

約数ペア:

[(1, 20903690), (2, 10451845), (5, 4180738), (10, 2090369), (181, 115490), (362, 57745), (905, 23098), (1810, 11549)]