20636825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 28230336

約数和(自身を除く): 7593511

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 743, 1111, 2525, 3715, 5555, 8173, 18575, 27775, 40865, 75043, 204325, 375215, 825473, 1876075, 4127365, 20636825]

約数ペア:

[(1, 20636825), (5, 4127365), (11, 1876075), (25, 825473), (55, 375215), (101, 204325), (275, 75043), (505, 40865), (743, 27775), (1111, 18575), (2525, 8173), (3715, 5555)]