20967548

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9479}}^1$

素因数の和:9569

約数の個数: 24

約数和(自身を含む): 42470400

約数和(自身を除く): 21502852

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9479, 18958, 37916, 66353, 132706, 265412, 748841, 1497682, 2995364, 5241887, 10483774, 20967548]

約数ペア:

[(1, 20967548), (2, 10483774), (4, 5241887), (7, 2995364), (14, 1497682), (28, 748841), (79, 265412), (158, 132706), (316, 66353), (553, 37916), (1106, 18958), (2212, 9479)]