20210888912

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11178589}}^1$

素因数の和:11178710

約数の個数: 20

約数和(自身を含む): 39505137060

約数和(自身を除く): 19294248148

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11178589, 22357178, 44714356, 89428712, 178857424, 1263180557, 2526361114, 5052722228, 10105444456, 20210888912]

約数ペア:

[(1, 20210888912), (2, 10105444456), (4, 5052722228), (8, 2526361114), (16, 1263180557), (113, 178857424), (226, 89428712), (452, 44714356), (904, 22357178), (1808, 11178589)]