20801060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148579}}^1$

素因数の和:148595

約数の個数: 24

約数和(自身を含む): 49922880

約数和(自身を除く): 29121820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148579, 297158, 594316, 742895, 1040053, 1485790, 2080106, 2971580, 4160212, 5200265, 10400530, 20801060]

約数ペア:

[(1, 20801060), (2, 10400530), (4, 5200265), (5, 4160212), (7, 2971580), (10, 2080106), (14, 1485790), (20, 1040053), (28, 742895), (35, 594316), (70, 297158), (140, 148579)]