20991876

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47279}}^1$

素因数の和:47323

約数の個数: 24

約数和(自身を含む): 50305920

約数和(自身を除く): 29314044

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 47279, 94558, 141837, 189116, 283674, 567348, 1749323, 3498646, 5247969, 6997292, 10495938, 20991876]

約数ペア:

[(1, 20991876), (2, 10495938), (3, 6997292), (4, 5247969), (6, 3498646), (12, 1749323), (37, 567348), (74, 283674), (111, 189116), (148, 141837), (222, 94558), (444, 47279)]