20147349

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3323}}^1$

素因数の和:3416

約数の個数: 16

約数和(自身を含む): 28081152

約数和(自身を除く): 7933803

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3323, 6063, 9969, 142889, 156181, 428667, 468543, 6715783, 20147349]

約数ペア:

[(1, 20147349), (3, 6715783), (43, 468543), (47, 428667), (129, 156181), (141, 142889), (2021, 9969), (3323, 6063)]