20153500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2371}}^1$

素因数の和:2407

約数の個数: 48

約数和(自身を含む): 46624032

約数和(自身を除く): 26470532

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2371, 4250, 4742, 8500, 9484, 11855, 23710, 40307, 47420, 59275, 80614, 118550, 161228, 201535, 237100, 296375, 403070, 592750, 806140, 1007675, 1185500, 2015350, 4030700, 5038375, 10076750, 20153500]

約数ペア:

[(1, 20153500), (2, 10076750), (4, 5038375), (5, 4030700), (10, 2015350), (17, 1185500), (20, 1007675), (25, 806140), (34, 592750), (50, 403070), (68, 296375), (85, 237100), (100, 201535), (125, 161228), (170, 118550), (250, 80614), (340, 59275), (425, 47420), (500, 40307), (850, 23710), (1700, 11855), (2125, 9484), (2371, 8500), (4250, 4742)]