20911262

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4051}}^1$

素因数の和:4171

約数の個数: 16

約数和(自身を含む): 32821200

約数和(自身を除く): 11909938

約数列:

[1, 2, 29, 58, 89, 178, 2581, 4051, 5162, 8102, 117479, 234958, 360539, 721078, 10455631, 20911262]

約数ペア:

[(1, 20911262), (2, 10455631), (29, 721078), (58, 360539), (89, 234958), (178, 117479), (2581, 8102), (4051, 5162)]