20163154959

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{1697}}^1\times {\mathrm{3121}}^1$

素因数の和:4877

約数の個数: 40

約数和(自身を含む): 30789114048

約数和(自身を除く): 10625959089

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 1697, 3121, 3807, 5091, 9363, 15273, 28089, 45819, 79759, 84267, 137457, 146687, 239277, 252801, 440061, 717831, 1320183, 2153493, 3960549, 5296337, 6460479, 11881647, 15889011, 47667033, 143001099, 248927839, 429003297, 746783517, 2240350551, 6721051653, 20163154959]

約数ペア:

[(1, 20163154959), (3, 6721051653), (9, 2240350551), (27, 746783517), (47, 429003297), (81, 248927839), (141, 143001099), (423, 47667033), (1269, 15889011), (1697, 11881647), (3121, 6460479), (3807, 5296337), (5091, 3960549), (9363, 2153493), (15273, 1320183), (28089, 717831), (45819, 440061), (79759, 252801), (84267, 239277), (137457, 146687)]