20669506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72271}}^1$

素因数の和:72297

約数の個数: 16

約数和(自身を含む): 36425088

約数和(自身を除く): 15755582

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72271, 144542, 794981, 939523, 1589962, 1879046, 10334753, 20669506]

約数ペア:

[(1, 20669506), (2, 10334753), (11, 1879046), (13, 1589962), (22, 939523), (26, 794981), (143, 144542), (286, 72271)]