20124988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3617}}^1$

素因数の和:3741

約数の個数: 24

約数和(自身を含む): 38292912

約数和(自身を除く): 18167924

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3617, 5564, 7234, 14468, 47021, 94042, 188084, 387019, 774038, 1548076, 5031247, 10062494, 20124988]

約数ペア:

[(1, 20124988), (2, 10062494), (4, 5031247), (13, 1548076), (26, 774038), (52, 387019), (107, 188084), (214, 94042), (428, 47021), (1391, 14468), (2782, 7234), (3617, 5564)]