20492755940

素因数分解:

$2^2\times 5^1\times {\mathrm{4657}}^1\times {\mathrm{220021}}^1$

素因数の和:224687

約数の個数: 24

約数和(自身を含む): 43044223992

約数和(自身を除く): 22551468052

約数列:

[1, 2, 4, 5, 10, 20, 4657, 9314, 18628, 23285, 46570, 93140, 220021, 440042, 880084, 1100105, 2200210, 4400420, 1024637797, 2049275594, 4098551188, 5123188985, 10246377970, 20492755940]

約数ペア:

[(1, 20492755940), (2, 10246377970), (4, 5123188985), (5, 4098551188), (10, 2049275594), (20, 1024637797), (4657, 4400420), (9314, 2200210), (18628, 1100105), (23285, 880084), (46570, 440042), (93140, 220021)]