20845923

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1301}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 32654160

約数和(自身を除く): 11808237

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 1301, 2289, 3903, 5341, 9107, 16023, 27321, 63749, 141809, 191247, 425427, 992663, 2977989, 6948641, 20845923]

約数ペア:

[(1, 20845923), (3, 6948641), (7, 2977989), (21, 992663), (49, 425427), (109, 191247), (147, 141809), (327, 63749), (763, 27321), (1301, 16023), (2289, 9107), (3903, 5341)]