20246620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24691}}^1$

素因数の和:24741

約数の個数: 24

約数和(自身を含む): 43556688

約数和(自身を除く): 23310068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24691, 49382, 98764, 123455, 246910, 493820, 1012331, 2024662, 4049324, 5061655, 10123310, 20246620]

約数ペア:

[(1, 20246620), (2, 10123310), (4, 5061655), (5, 4049324), (10, 2024662), (20, 1012331), (41, 493820), (82, 246910), (164, 123455), (205, 98764), (410, 49382), (820, 24691)]