20105959293

素因数分解:

$3^3\times 7^1\times {\mathrm{2897}}^1\times {\mathrm{36721}}^1$

素因数の和:39634

約数の個数: 32

約数和(自身を含む): 34054513920

約数和(自身を除く): 13948554627

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2897, 8691, 20279, 26073, 36721, 60837, 78219, 110163, 182511, 257047, 330489, 547533, 771141, 991467, 2313423, 6940269, 106380737, 319142211, 744665159, 957426633, 2233995477, 2872279899, 6701986431, 20105959293]

約数ペア:

[(1, 20105959293), (3, 6701986431), (7, 2872279899), (9, 2233995477), (21, 957426633), (27, 744665159), (63, 319142211), (189, 106380737), (2897, 6940269), (8691, 2313423), (20279, 991467), (26073, 771141), (36721, 547533), (60837, 330489), (78219, 257047), (110163, 182511)]