9501980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27947}}^1$

素因数の和:27973

約数の個数: 24

約数和(自身を含む): 21128688

約数和(自身を除く): 11626708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 27947, 55894, 111788, 139735, 279470, 475099, 558940, 950198, 1900396, 2375495, 4750990, 9501980]

約数ペア:

[(1, 9501980), (2, 4750990), (4, 2375495), (5, 1900396), (10, 950198), (17, 558940), (20, 475099), (34, 279470), (68, 139735), (85, 111788), (170, 55894), (340, 27947)]