20398899

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5101}}^1$

素因数の和:5178

約数の個数: 16

約数和(自身を含む): 28734464

約数和(自身を除く): 8335565

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5101, 15303, 158131, 219343, 474393, 658029, 6799633, 20398899]

約数ペア:

[(1, 20398899), (3, 6799633), (31, 658029), (43, 474393), (93, 219343), (129, 158131), (1333, 15303), (3999, 5101)]