20911117

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 1950323

約数列:

[1, 23, 29, 107, 293, 667, 2461, 3103, 6739, 8497, 31351, 71369, 195431, 721073, 909179, 20911117]

約数ペア:

[(1, 20911117), (23, 909179), (29, 721073), (107, 195431), (293, 71369), (667, 31351), (2461, 8497), (3103, 6739)]