20888186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41281}}^1$

素因数の和:41317

約数の個数: 16

約数和(自身を含む): 35667648

約数和(自身を除く): 14779462

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41281, 82562, 454091, 908182, 949463, 1898926, 10444093, 20888186]

約数ペア:

[(1, 20888186), (2, 10444093), (11, 1898926), (22, 949463), (23, 908182), (46, 454091), (253, 82562), (506, 41281)]