20145746620

素因数分解:

$2^2\times 5^1\times {\mathrm{2297}}^1\times {\mathrm{438523}}^1$

素因数の和:440829

約数の個数: 24

約数和(自身を含む): 42324582384

約数和(自身を除く): 22178835764

約数列:

[1, 2, 4, 5, 10, 20, 2297, 4594, 9188, 11485, 22970, 45940, 438523, 877046, 1754092, 2192615, 4385230, 8770460, 1007287331, 2014574662, 4029149324, 5036436655, 10072873310, 20145746620]

約数ペア:

[(1, 20145746620), (2, 10072873310), (4, 5036436655), (5, 4029149324), (10, 2014574662), (20, 1007287331), (2297, 8770460), (4594, 4385230), (9188, 2192615), (11485, 1754092), (22970, 877046), (45940, 438523)]