20123412

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 49080192

約数和(自身を除く): 28956780

約数列:

[1, 2, 3, 4, 6, 12, 37, 61, 74, 111, 122, 148, 183, 222, 244, 366, 444, 732, 743, 1486, 2229, 2257, 2972, 4458, 4514, 6771, 8916, 9028, 13542, 27084, 27491, 45323, 54982, 82473, 90646, 109964, 135969, 164946, 181292, 271938, 329892, 543876, 1676951, 3353902, 5030853, 6707804, 10061706, 20123412]

約数ペア:

[(1, 20123412), (2, 10061706), (3, 6707804), (4, 5030853), (6, 3353902), (12, 1676951), (37, 543876), (61, 329892), (74, 271938), (111, 181292), (122, 164946), (148, 135969), (183, 109964), (222, 90646), (244, 82473), (366, 54982), (444, 45323), (732, 27491), (743, 27084), (1486, 13542), (2229, 9028), (2257, 8916), (2972, 6771), (4458, 4514)]