20005041

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11928399

約数列:

[1, 3, 7, 21, 29, 87, 107, 203, 307, 321, 609, 749, 921, 2149, 2247, 3103, 6447, 8903, 9309, 21721, 26709, 32849, 62321, 65163, 98547, 186963, 229943, 689829, 952621, 2857863, 6668347, 20005041]

約数ペア:

[(1, 20005041), (3, 6668347), (7, 2857863), (21, 952621), (29, 689829), (87, 229943), (107, 186963), (203, 98547), (307, 65163), (321, 62321), (609, 32849), (749, 26709), (921, 21721), (2149, 9309), (2247, 8903), (3103, 6447)]