20802180034

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{4253}}^1$

素因数の和:4870

約数の個数: 32

約数和(自身を含む): 32334926256

約数和(自身を除く): 11532746222

約数列:

[1, 2, 37, 74, 157, 314, 421, 842, 4253, 5809, 8506, 11618, 15577, 31154, 66097, 132194, 157361, 314722, 667721, 1335442, 1790513, 2445589, 3581026, 4891178, 24705677, 49411354, 66248981, 132497962, 281110541, 562221082, 10401090017, 20802180034]

約数ペア:

[(1, 20802180034), (2, 10401090017), (37, 562221082), (74, 281110541), (157, 132497962), (314, 66248981), (421, 49411354), (842, 24705677), (4253, 4891178), (5809, 3581026), (8506, 2445589), (11618, 1790513), (15577, 1335442), (31154, 667721), (66097, 314722), (132194, 157361)]