20964500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1823}}^1$

素因数の和:1865

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26838892

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1823, 2300, 2875, 3646, 5750, 7292, 9115, 11500, 18230, 36460, 41929, 45575, 83858, 91150, 167716, 182300, 209645, 227875, 419290, 455750, 838580, 911500, 1048225, 2096450, 4192900, 5241125, 10482250, 20964500]

約数ペア:

[(1, 20964500), (2, 10482250), (4, 5241125), (5, 4192900), (10, 2096450), (20, 1048225), (23, 911500), (25, 838580), (46, 455750), (50, 419290), (92, 227875), (100, 209645), (115, 182300), (125, 167716), (230, 91150), (250, 83858), (460, 45575), (500, 41929), (575, 36460), (1150, 18230), (1823, 11500), (2300, 9115), (2875, 7292), (3646, 5750)]