20691576

素因数分解:

$2^3\times 3^2\times {\mathrm{287383}}^1$

素因数の和:287395

約数の個数: 24

約数和(自身を含む): 56039880

約数和(自身を除く): 35348304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 287383, 574766, 862149, 1149532, 1724298, 2299064, 2586447, 3448596, 5172894, 6897192, 10345788, 20691576]

約数ペア:

[(1, 20691576), (2, 10345788), (3, 6897192), (4, 5172894), (6, 3448596), (8, 2586447), (9, 2299064), (12, 1724298), (18, 1149532), (24, 862149), (36, 574766), (72, 287383)]