66965020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{33151}}^1$

素因数の和:33261

約数の個数: 24

約数和(自身を含む): 142023168

約数和(自身を除く): 75058148

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 33151, 66302, 132604, 165755, 331510, 663020, 3348251, 6696502, 13393004, 16741255, 33482510, 66965020]

約数ペア:

[(1, 66965020), (2, 33482510), (4, 16741255), (5, 13393004), (10, 6696502), (20, 3348251), (101, 663020), (202, 331510), (404, 165755), (505, 132604), (1010, 66302), (2020, 33151)]