20845394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1303}}^1$

素因数の和:1745

約数の個数: 16

約数和(自身を含む): 33017280

約数和(自身を除く): 12171886

約数列:

[1, 2, 19, 38, 421, 842, 1303, 2606, 7999, 15998, 24757, 49514, 548563, 1097126, 10422697, 20845394]

約数ペア:

[(1, 20845394), (2, 10422697), (19, 1097126), (38, 548563), (421, 49514), (842, 24757), (1303, 15998), (2606, 7999)]