20204500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2413

約数の個数: 48

約数和(自身を含む): 46741968

約数和(自身を除く): 26537468

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, 2377, 4250, 4754, 8500, 9508, 11885, 23770, 40409, 47540, 59425, 80818, 118850, 161636, 202045, 237700, 297125, 404090, 594250, 808180, 1010225, 1188500, 2020450, 4040900, 5051125, 10102250, 20204500]

約数ペア:

[(1, 20204500), (2, 10102250), (4, 5051125), (5, 4040900), (10, 2020450), (17, 1188500), (20, 1010225), (25, 808180), (34, 594250), (50, 404090), (68, 297125), (85, 237700), (100, 202045), (125, 161636), (170, 118850), (250, 80818), (340, 59425), (425, 47540), (500, 40409), (850, 23770), (1700, 11885), (2125, 9508), (2377, 8500), (4250, 4754)]