9960020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71143}}^1$

素因数の和:71159

約数の個数: 24

約数和(自身を含む): 23904384

約数和(自身を除く): 13944364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71143, 142286, 284572, 355715, 498001, 711430, 996002, 1422860, 1992004, 2490005, 4980010, 9960020]

約数ペア:

[(1, 9960020), (2, 4980010), (4, 2490005), (5, 1992004), (7, 1422860), (10, 996002), (14, 711430), (20, 498001), (28, 355715), (35, 284572), (70, 142286), (140, 71143)]