20066400207

素因数分解:

$3^2\times 7^1\times {\mathrm{25301}}^1\times {\mathrm{12589}}^1$

素因数の和:37903

約数の個数: 24

約数和(自身を含む): 33129426720

約数和(自身を除く): 13063026513

約数列:

[1, 3, 7, 9, 21, 63, 12589, 25301, 37767, 75903, 88123, 113301, 177107, 227709, 264369, 531321, 793107, 1593963, 318514289, 955542867, 2229600023, 2866628601, 6688800069, 20066400207]

約数ペア:

[(1, 20066400207), (3, 6688800069), (7, 2866628601), (9, 2229600023), (21, 955542867), (63, 318514289), (12589, 1593963), (25301, 793107), (37767, 531321), (75903, 264369), (88123, 227709), (113301, 177107)]