20804274

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{7757}}^1$

素因数の和:7914

約数の個数: 24

約数和(自身を含む): 45384300

約数和(自身を除く): 24580026

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7757, 15514, 23271, 46542, 69813, 139626, 1155793, 2311586, 3467379, 6934758, 10402137, 20804274]

約数ペア:

[(1, 20804274), (2, 10402137), (3, 6934758), (6, 3467379), (9, 2311586), (18, 1155793), (149, 139626), (298, 69813), (447, 46542), (894, 23271), (1341, 15514), (2682, 7757)]