20126197

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3301}}^1$

素因数の和:3388

約数の個数: 16

約数和(自身を含む): 25148032

約数和(自身を除く): 5021835

約数列:

[1, 7, 13, 67, 91, 469, 871, 3301, 6097, 23107, 42913, 221167, 300391, 1548169, 2875171, 20126197]

約数ペア:

[(1, 20126197), (7, 2875171), (13, 1548169), (67, 300391), (91, 221167), (469, 42913), (871, 23107), (3301, 6097)]