20658480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86077}}^1$

素因数の和:86093

約数の個数: 40

約数和(自身を含む): 64042032

約数和(自身を除く): 43383552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86077, 172154, 258231, 344308, 430385, 516462, 688616, 860770, 1032924, 1291155, 1377232, 1721540, 2065848, 2582310, 3443080, 4131696, 5164620, 6886160, 10329240, 20658480]

約数ペア:

[(1, 20658480), (2, 10329240), (3, 6886160), (4, 5164620), (5, 4131696), (6, 3443080), (8, 2582310), (10, 2065848), (12, 1721540), (15, 1377232), (16, 1291155), (20, 1032924), (24, 860770), (30, 688616), (40, 516462), (48, 430385), (60, 344308), (80, 258231), (120, 172154), (240, 86077)]