20715266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72431}}^1$

素因数の和:72457

約数の個数: 16

約数和(自身を含む): 36505728

約数和(自身を除く): 15790462

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72431, 144862, 796741, 941603, 1593482, 1883206, 10357633, 20715266]

約数ペア:

[(1, 20715266), (2, 10357633), (11, 1883206), (13, 1593482), (22, 941603), (26, 796741), (143, 144862), (286, 72431)]