1806620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{877}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 3835104

約数和(自身を除く): 2028484

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 877, 1030, 1754, 2060, 3508, 4385, 8770, 17540, 90331, 180662, 361324, 451655, 903310, 1806620]

約数ペア:

[(1, 1806620), (2, 903310), (4, 451655), (5, 361324), (10, 180662), (20, 90331), (103, 17540), (206, 8770), (412, 4385), (515, 3508), (877, 2060), (1030, 1754)]