20741604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4340

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 33072156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4289, 4836, 8578, 12867, 17156, 25734, 51468, 55757, 111514, 132959, 167271, 223028, 265918, 334542, 398877, 531836, 669084, 797754, 1595508, 1728467, 3456934, 5185401, 6913868, 10370802, 20741604]

約数ペア:

[(1, 20741604), (2, 10370802), (3, 6913868), (4, 5185401), (6, 3456934), (12, 1728467), (13, 1595508), (26, 797754), (31, 669084), (39, 531836), (52, 398877), (62, 334542), (78, 265918), (93, 223028), (124, 167271), (156, 132959), (186, 111514), (372, 55757), (403, 51468), (806, 25734), (1209, 17156), (1612, 12867), (2418, 8578), (4289, 4836)]