20198695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2029}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 26601120

約数和(自身を除く): 6402425

約数列:

[1, 5, 11, 55, 181, 905, 1991, 2029, 9955, 10145, 22319, 111595, 367249, 1836245, 4039739, 20198695]

約数ペア:

[(1, 20198695), (5, 4039739), (11, 1836245), (55, 367249), (181, 111595), (905, 22319), (1991, 10145), (2029, 9955)]