19620020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140143}}^1$

素因数の和:140159

約数の個数: 24

約数和(自身を含む): 47088384

約数和(自身を除く): 27468364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140143, 280286, 560572, 700715, 981001, 1401430, 1962002, 2802860, 3924004, 4905005, 9810010, 19620020]

約数ペア:

[(1, 19620020), (2, 9810010), (4, 4905005), (5, 3924004), (7, 2802860), (10, 1962002), (14, 1401430), (20, 981001), (28, 700715), (35, 560572), (70, 280286), (140, 140143)]