20769985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 5139647

約数列:

[1, 5, 41, 71, 205, 355, 1427, 2911, 7135, 14555, 58507, 101317, 292535, 506585, 4153997, 20769985]

約数ペア:

[(1, 20769985), (5, 4153997), (41, 506585), (71, 292535), (205, 101317), (355, 58507), (1427, 14555), (2911, 7135)]