20904631

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 3356489

約数列:

[1, 11, 23, 53, 253, 583, 1219, 1559, 13409, 17149, 35857, 82627, 394427, 908897, 1900421, 20904631]

約数ペア:

[(1, 20904631), (11, 1900421), (23, 908897), (53, 394427), (253, 82627), (583, 35857), (1219, 17149), (1559, 13409)]