20800580180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61178177}}^1$

素因数の和:61178203

約数の個数: 24

約数和(自身を含む): 46250702568

約数和(自身を除く): 25450122388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61178177, 122356354, 244712708, 305890885, 611781770, 1040029009, 1223563540, 2080058018, 4160116036, 5200145045, 10400290090, 20800580180]

約数ペア:

[(1, 20800580180), (2, 10400290090), (4, 5200145045), (5, 4160116036), (10, 2080058018), (17, 1223563540), (20, 1040029009), (34, 611781770), (68, 305890885), (85, 244712708), (170, 122356354), (340, 61178177)]