20906278

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1753}}^1$

素因数の和:1911

約数の個数: 16

約数和(自身を含む): 32203440

約数和(自身を除く): 11297162

約数列:

[1, 2, 67, 89, 134, 178, 1753, 3506, 5963, 11926, 117451, 156017, 234902, 312034, 10453139, 20906278]

約数ペア:

[(1, 20906278), (2, 10453139), (67, 312034), (89, 234902), (134, 156017), (178, 117451), (1753, 11926), (3506, 5963)]