20749086

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8293}}^1$

素因数の和:8440

約数の個数: 24

約数和(自身を含む): 45285240

約数和(自身を除く): 24536154

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8293, 16586, 24879, 49758, 74637, 149274, 1152727, 2305454, 3458181, 6916362, 10374543, 20749086]

約数ペア:

[(1, 20749086), (2, 10374543), (3, 6916362), (6, 3458181), (9, 2305454), (18, 1152727), (139, 149274), (278, 74637), (417, 49758), (834, 24879), (1251, 16586), (2502, 8293)]