20773660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61099}}^1$

素因数の和:61125

約数の個数: 24

約数和(自身を含む): 46191600

約数和(自身を除く): 25417940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 61099, 122198, 244396, 305495, 610990, 1038683, 1221980, 2077366, 4154732, 5193415, 10386830, 20773660]

約数ペア:

[(1, 20773660), (2, 10386830), (4, 5193415), (5, 4154732), (10, 2077366), (17, 1221980), (20, 1038683), (34, 610990), (68, 305495), (85, 244396), (170, 122198), (340, 61099)]