20325316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{809}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 18593564

約数列:

[1, 2, 4, 11, 22, 44, 571, 809, 1142, 1618, 2284, 3236, 6281, 8899, 12562, 17798, 25124, 35596, 461939, 923878, 1847756, 5081329, 10162658, 20325316]

約数ペア:

[(1, 20325316), (2, 10162658), (4, 5081329), (11, 1847756), (22, 923878), (44, 461939), (571, 35596), (809, 25124), (1142, 17798), (1618, 12562), (2284, 8899), (3236, 6281)]