20962250

素因数分解:

$2^1\times 5^3\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 18574390

約数列:

[1, 2, 5, 10, 25, 50, 125, 191, 250, 382, 439, 878, 955, 1910, 2195, 4390, 4775, 9550, 10975, 21950, 23875, 47750, 54875, 83849, 109750, 167698, 419245, 838490, 2096225, 4192450, 10481125, 20962250]

約数ペア:

[(1, 20962250), (2, 10481125), (5, 4192450), (10, 2096225), (25, 838490), (50, 419245), (125, 167698), (191, 109750), (250, 83849), (382, 54875), (439, 47750), (878, 23875), (955, 21950), (1910, 10975), (2195, 9550), (4390, 4775)]