20708854

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1$

素因数の和:3671

約数の個数: 16

約数和(自身を含む): 32278176

約数和(自身を除く): 11569322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3557, 5822, 7114, 145837, 252547, 291674, 505094, 10354427, 20708854]

約数ペア:

[(1, 20708854), (2, 10354427), (41, 505094), (71, 291674), (82, 252547), (142, 145837), (2911, 7114), (3557, 5822)]