20121770

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11117}}^1$

素因数の和:11305

約数の個数: 16

約数和(自身を含む): 36422568

約数和(自身を除く): 16300798

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 11117, 22234, 55585, 111170, 2012177, 4024354, 10060885, 20121770]

約数ペア:

[(1, 20121770), (2, 10060885), (5, 4024354), (10, 2012177), (181, 111170), (362, 55585), (905, 22234), (1810, 11117)]