20520894

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{51047}}^1$

素因数の和:51119

約数の個数: 16

約数和(自身を含む): 41655168

約数和(自身を除く): 21134274

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 51047, 102094, 153141, 306282, 3420149, 6840298, 10260447, 20520894]

約数ペア:

[(1, 20520894), (2, 10260447), (3, 6840298), (6, 3420149), (67, 306282), (134, 153141), (201, 102094), (402, 51047)]