1220816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1910

約数の個数: 20

約数和(自身を含む): 2424324

約数和(自身を除く): 1203508

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1861, 3722, 7444, 14888, 29776, 76301, 152602, 305204, 610408, 1220816]

約数ペア:

[(1, 1220816), (2, 610408), (4, 305204), (8, 152602), (16, 76301), (41, 29776), (82, 14888), (164, 7444), (328, 3722), (656, 1861)]