20539022

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20663}}^1$

素因数の和:20743

約数の個数: 16

約数和(自身を含む): 35707392

約数和(自身を除く): 15168370

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20663, 41326, 144641, 289282, 1467073, 2934146, 10269511, 20539022]

約数ペア:

[(1, 20539022), (2, 10269511), (7, 2934146), (14, 1467073), (71, 289282), (142, 144641), (497, 41326), (994, 20663)]