20522554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 33909372

約数和(自身を除く): 13386818

約数列:

[1, 2, 13, 26, 53, 106, 281, 562, 689, 1378, 2809, 3653, 5618, 7306, 14893, 29786, 36517, 73034, 193609, 387218, 789329, 1578658, 10261277, 20522554]

約数ペア:

[(1, 20522554), (2, 10261277), (13, 1578658), (26, 789329), (53, 387218), (106, 193609), (281, 73034), (562, 36517), (689, 29786), (1378, 14893), (2809, 7306), (3653, 5618)]