20507001

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 7878279

約数列:

[1, 3, 43, 71, 129, 213, 2239, 3053, 6717, 9159, 96277, 158969, 288831, 476907, 6835667, 20507001]

約数ペア:

[(1, 20507001), (3, 6835667), (43, 476907), (71, 288831), (129, 158969), (213, 96277), (2239, 9159), (3053, 6717)]