19703740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140741}}^1$

素因数の和:140757

約数の個数: 24

約数和(自身を含む): 47289312

約数和(自身を除く): 27585572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140741, 281482, 562964, 703705, 985187, 1407410, 1970374, 2814820, 3940748, 4925935, 9851870, 19703740]

約数ペア:

[(1, 19703740), (2, 9851870), (4, 4925935), (5, 3940748), (7, 2814820), (10, 1970374), (14, 1407410), (20, 985187), (28, 703705), (35, 562964), (70, 281482), (140, 140741)]