20837750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4903}}^1$

素因数の和:4937

約数の個数: 32

約数和(自身を含む): 41311296

約数和(自身を除く): 20473546

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4903, 9806, 24515, 49030, 83351, 122575, 166702, 245150, 416755, 612875, 833510, 1225750, 2083775, 4167550, 10418875, 20837750]

約数ペア:

[(1, 20837750), (2, 10418875), (5, 4167550), (10, 2083775), (17, 1225750), (25, 833510), (34, 612875), (50, 416755), (85, 245150), (125, 166702), (170, 122575), (250, 83351), (425, 49030), (850, 24515), (2125, 9806), (4250, 4903)]