20913298

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12553}}^1$

素因数の和:12586

約数の個数: 24

約数和(自身を含む): 38641212

約数和(自身を除く): 17727914

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12553, 25106, 87871, 175742, 213401, 426802, 615097, 1230194, 1493807, 2987614, 10456649, 20913298]

約数ペア:

[(1, 20913298), (2, 10456649), (7, 2987614), (14, 1493807), (17, 1230194), (34, 615097), (49, 426802), (98, 213401), (119, 175742), (238, 87871), (833, 25106), (1666, 12553)]