18140020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53353}}^1$

素因数の和:53379

約数の個数: 24

約数和(自身を含む): 40335624

約数和(自身を除く): 22195604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53353, 106706, 213412, 266765, 533530, 907001, 1067060, 1814002, 3628004, 4535005, 9070010, 18140020]

約数ペア:

[(1, 18140020), (2, 9070010), (4, 4535005), (5, 3628004), (10, 1814002), (17, 1067060), (20, 907001), (34, 533530), (68, 266765), (85, 213412), (170, 106706), (340, 53353)]