11802020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2351}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 24893568

約数和(自身を除く): 13091548

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2351, 2510, 4702, 5020, 9404, 11755, 23510, 47020, 590101, 1180202, 2360404, 2950505, 5901010, 11802020]

約数ペア:

[(1, 11802020), (2, 5901010), (4, 2950505), (5, 2360404), (10, 1180202), (20, 590101), (251, 47020), (502, 23510), (1004, 11755), (1255, 9404), (2351, 5020), (2510, 4702)]