20648127

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2389}}^1$

素因数の和:2502

約数の個数: 16

約数和(自身を含む): 28603520

約数和(自身を除く): 7955393

約数列:

[1, 3, 43, 67, 129, 201, 2389, 2881, 7167, 8643, 102727, 160063, 308181, 480189, 6882709, 20648127]

約数ペア:

[(1, 20648127), (3, 6882709), (43, 480189), (67, 308181), (129, 160063), (201, 102727), (2389, 8643), (2881, 7167)]