20055400

素因数分解:

$2^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 47011500

約数和(自身を除く): 26956100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 298, 596, 673, 745, 1192, 1346, 1490, 2692, 2980, 3365, 3725, 5384, 5960, 6730, 7450, 13460, 14900, 16825, 26920, 29800, 33650, 67300, 100277, 134600, 200554, 401108, 501385, 802216, 1002770, 2005540, 2506925, 4011080, 5013850, 10027700, 20055400]

約数ペア:

[(1, 20055400), (2, 10027700), (4, 5013850), (5, 4011080), (8, 2506925), (10, 2005540), (20, 1002770), (25, 802216), (40, 501385), (50, 401108), (100, 200554), (149, 134600), (200, 100277), (298, 67300), (596, 33650), (673, 29800), (745, 26920), (1192, 16825), (1346, 14900), (1490, 13460), (2692, 7450), (2980, 6730), (3365, 5960), (3725, 5384)]