20740581

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{941}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 31349760

約数和(自身を除く): 10609179

約数列:

[1, 3, 9, 31, 79, 93, 237, 279, 711, 941, 2449, 2823, 7347, 8469, 22041, 29171, 74339, 87513, 223017, 262539, 669051, 2304509, 6913527, 20740581]

約数ペア:

[(1, 20740581), (3, 6913527), (9, 2304509), (31, 669051), (79, 262539), (93, 223017), (237, 87513), (279, 74339), (711, 29171), (941, 22041), (2449, 8469), (2823, 7347)]