20531256

素因数分解:

$2^3\times 3^1\times {\mathrm{787}}^1\times {\mathrm{1087}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 51440640

約数和(自身を除く): 30909384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 787, 1087, 1574, 2174, 2361, 3148, 3261, 4348, 4722, 6296, 6522, 8696, 9444, 13044, 18888, 26088, 855469, 1710938, 2566407, 3421876, 5132814, 6843752, 10265628, 20531256]

約数ペア:

[(1, 20531256), (2, 10265628), (3, 6843752), (4, 5132814), (6, 3421876), (8, 2566407), (12, 1710938), (24, 855469), (787, 26088), (1087, 18888), (1574, 13044), (2174, 9444), (2361, 8696), (3148, 6522), (3261, 6296), (4348, 4722)]