20855400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{34759}}^1$

素因数の和:34778

約数の個数: 48

約数和(自身を含む): 64653600

約数和(自身を除く): 43798200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 34759, 69518, 104277, 139036, 173795, 208554, 278072, 347590, 417108, 521385, 695180, 834216, 868975, 1042770, 1390360, 1737950, 2085540, 2606925, 3475900, 4171080, 5213850, 6951800, 10427700, 20855400]

約数ペア:

[(1, 20855400), (2, 10427700), (3, 6951800), (4, 5213850), (5, 4171080), (6, 3475900), (8, 2606925), (10, 2085540), (12, 1737950), (15, 1390360), (20, 1042770), (24, 868975), (25, 834216), (30, 695180), (40, 521385), (50, 417108), (60, 347590), (75, 278072), (100, 208554), (120, 173795), (150, 139036), (200, 104277), (300, 69518), (600, 34759)]