20423826

素因数分解:

$2^1\times 3^4\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1060

約数の個数: 40

約数和(自身を含む): 46144560

約数和(自身を除く): 25720734

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 278, 417, 834, 907, 1251, 1814, 2502, 2721, 3753, 5442, 7506, 8163, 11259, 16326, 22518, 24489, 48978, 73467, 126073, 146934, 252146, 378219, 756438, 1134657, 2269314, 3403971, 6807942, 10211913, 20423826]

約数ペア:

[(1, 20423826), (2, 10211913), (3, 6807942), (6, 3403971), (9, 2269314), (18, 1134657), (27, 756438), (54, 378219), (81, 252146), (139, 146934), (162, 126073), (278, 73467), (417, 48978), (834, 24489), (907, 22518), (1251, 16326), (1814, 11259), (2502, 8163), (2721, 7506), (3753, 5442)]