20861828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17443}}^1$

素因数の和:17483

約数の個数: 24

約数和(自身を含む): 41028288

約数和(自身を除く): 20166460

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17443, 34886, 69772, 226759, 401189, 453518, 802378, 907036, 1604756, 5215457, 10430914, 20861828]

約数ペア:

[(1, 20861828), (2, 10430914), (4, 5215457), (13, 1604756), (23, 907036), (26, 802378), (46, 453518), (52, 401189), (92, 226759), (299, 69772), (598, 34886), (1196, 17443)]