20017080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55603}}^1$

素因数の和:55620

約数の個数: 48

約数和(自身を含む): 65056680

約数和(自身を除く): 45039600

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, 55603, 111206, 166809, 222412, 278015, 333618, 444824, 500427, 556030, 667236, 834045, 1000854, 1112060, 1334472, 1668090, 2001708, 2224120, 2502135, 3336180, 4003416, 5004270, 6672360, 10008540, 20017080]

約数ペア:

[(1, 20017080), (2, 10008540), (3, 6672360), (4, 5004270), (5, 4003416), (6, 3336180), (8, 2502135), (9, 2224120), (10, 2001708), (12, 1668090), (15, 1334472), (18, 1112060), (20, 1000854), (24, 834045), (30, 667236), (36, 556030), (40, 500427), (45, 444824), (60, 333618), (72, 278015), (90, 222412), (120, 166809), (180, 111206), (360, 55603)]