12020745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 21833280

約数和(自身を除く): 9812535

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 121, 165, 179, 185, 363, 407, 537, 555, 605, 895, 1221, 1815, 1969, 2035, 2685, 4477, 5907, 6105, 6623, 9845, 13431, 19869, 21659, 22385, 29535, 33115, 64977, 67155, 72853, 99345, 108295, 218559, 324885, 364265, 801383, 1092795, 2404149, 4006915, 12020745]

約数ペア:

[(1, 12020745), (3, 4006915), (5, 2404149), (11, 1092795), (15, 801383), (33, 364265), (37, 324885), (55, 218559), (111, 108295), (121, 99345), (165, 72853), (179, 67155), (185, 64977), (363, 33115), (407, 29535), (537, 22385), (555, 21659), (605, 19869), (895, 13431), (1221, 9845), (1815, 6623), (1969, 6105), (2035, 5907), (2685, 4477)]