20820838

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2207}}^1$

素因数の和:2351

約数の個数: 16

約数和(自身を含む): 32192640

約数和(自身を除く): 11371802

約数列:

[1, 2, 53, 89, 106, 178, 2207, 4414, 4717, 9434, 116971, 196423, 233942, 392846, 10410419, 20820838]

約数ペア:

[(1, 20820838), (2, 10410419), (53, 392846), (89, 233942), (106, 196423), (178, 116971), (2207, 9434), (4414, 4717)]