20699211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12343}}^1$

素因数の和:12402

約数の個数: 16

約数和(自身を含む): 30415616

約数和(自身を除く): 9716405

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12343, 37029, 160459, 481377, 530749, 1592247, 6899737, 20699211]

約数ペア:

[(1, 20699211), (3, 6899737), (13, 1592247), (39, 530749), (43, 481377), (129, 160459), (559, 37029), (1677, 12343)]