20159500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1753}}^1$

素因数の和:1795

約数の個数: 48

約数和(自身を含む): 45968832

約数和(自身を除く): 25809332

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1753, 2300, 2875, 3506, 5750, 7012, 8765, 11500, 17530, 35060, 40319, 43825, 80638, 87650, 161276, 175300, 201595, 219125, 403190, 438250, 806380, 876500, 1007975, 2015950, 4031900, 5039875, 10079750, 20159500]

約数ペア:

[(1, 20159500), (2, 10079750), (4, 5039875), (5, 4031900), (10, 2015950), (20, 1007975), (23, 876500), (25, 806380), (46, 438250), (50, 403190), (92, 219125), (100, 201595), (115, 175300), (125, 161276), (230, 87650), (250, 80638), (460, 43825), (500, 40319), (575, 35060), (1150, 17530), (1753, 11500), (2300, 8765), (2875, 7012), (3506, 5750)]