20066480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5119}}^1$

素因数の和:5146

約数の個数: 60

約数和(自身を含む): 54282240

約数和(自身を除く): 34215760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5119, 10238, 20476, 25595, 35833, 40952, 51190, 71666, 81904, 102380, 143332, 179165, 204760, 250831, 286664, 358330, 409520, 501662, 573328, 716660, 1003324, 1254155, 1433320, 2006648, 2508310, 2866640, 4013296, 5016620, 10033240, 20066480]

約数ペア:

[(1, 20066480), (2, 10033240), (4, 5016620), (5, 4013296), (7, 2866640), (8, 2508310), (10, 2006648), (14, 1433320), (16, 1254155), (20, 1003324), (28, 716660), (35, 573328), (40, 501662), (49, 409520), (56, 358330), (70, 286664), (80, 250831), (98, 204760), (112, 179165), (140, 143332), (196, 102380), (245, 81904), (280, 71666), (392, 51190), (490, 40952), (560, 35833), (784, 25595), (980, 20476), (1960, 10238), (3920, 5119)]