31281020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{92003}}^1$

素因数の和:92029

約数の個数: 24

約数和(自身を含む): 69555024

約数和(自身を除く): 38274004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 92003, 184006, 368012, 460015, 920030, 1564051, 1840060, 3128102, 6256204, 7820255, 15640510, 31281020]

約数ペア:

[(1, 31281020), (2, 15640510), (4, 7820255), (5, 6256204), (10, 3128102), (17, 1840060), (20, 1564051), (34, 920030), (68, 460015), (85, 368012), (170, 184006), (340, 92003)]