20539340

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1171}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 43218672

約数和(自身を除く): 22679332

約数列:

[1, 2, 4, 5, 10, 20, 877, 1171, 1754, 2342, 3508, 4385, 4684, 5855, 8770, 11710, 17540, 23420, 1026967, 2053934, 4107868, 5134835, 10269670, 20539340]

約数ペア:

[(1, 20539340), (2, 10269670), (4, 5134835), (5, 4107868), (10, 2053934), (20, 1026967), (877, 23420), (1171, 17540), (1754, 11710), (2342, 8770), (3508, 5855), (4385, 4684)]