15560020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{111143}}^1$

素因数の和:111159

約数の個数: 24

約数和(自身を含む): 37344384

約数和(自身を除く): 21784364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 111143, 222286, 444572, 555715, 778001, 1111430, 1556002, 2222860, 3112004, 3890005, 7780010, 15560020]

約数ペア:

[(1, 15560020), (2, 7780010), (4, 3890005), (5, 3112004), (7, 2222860), (10, 1556002), (14, 1111430), (20, 778001), (28, 555715), (35, 444572), (70, 222286), (140, 111143)]