20643912

素因数分解:

$2^3\times 3^2\times {\mathrm{286721}}^1$

素因数の和:286733

約数の個数: 24

約数和(自身を含む): 55910790

約数和(自身を除く): 35266878

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 286721, 573442, 860163, 1146884, 1720326, 2293768, 2580489, 3440652, 5160978, 6881304, 10321956, 20643912]

約数ペア:

[(1, 20643912), (2, 10321956), (3, 6881304), (4, 5160978), (6, 3440652), (8, 2580489), (9, 2293768), (12, 1720326), (18, 1146884), (24, 860163), (36, 573442), (72, 286721)]