20213170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118901}}^1$

素因数の和:118925

約数の個数: 16

約数和(自身を含む): 38524248

約数和(自身を除く): 18311078

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 118901, 237802, 594505, 1189010, 2021317, 4042634, 10106585, 20213170]

約数ペア:

[(1, 20213170), (2, 10106585), (5, 4042634), (10, 2021317), (17, 1189010), (34, 594505), (85, 237802), (170, 118901)]