20038680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55663}}^1$

素因数の和:55680

約数の個数: 48

約数和(自身を含む): 65126880

約数和(自身を除く): 45088200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55663, 111326, 166989, 222652, 278315, 333978, 445304, 500967, 556630, 667956, 834945, 1001934, 1113260, 1335912, 1669890, 2003868, 2226520, 2504835, 3339780, 4007736, 5009670, 6679560, 10019340, 20038680]

約数ペア:

[(1, 20038680), (2, 10019340), (3, 6679560), (4, 5009670), (5, 4007736), (6, 3339780), (8, 2504835), (9, 2226520), (10, 2003868), (12, 1669890), (15, 1335912), (18, 1113260), (20, 1001934), (24, 834945), (30, 667956), (36, 556630), (40, 500967), (45, 445304), (60, 333978), (72, 278315), (90, 222652), (120, 166989), (180, 111326), (360, 55663)]