20299209

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10861}}^1$

素因数の和:10960

約数の個数: 16

約数和(自身を含む): 31282560

約数和(自身を除く): 10983351

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10861, 32583, 76027, 228081, 966629, 2899887, 6766403, 20299209]

約数ペア:

[(1, 20299209), (3, 6766403), (7, 2899887), (21, 966629), (89, 228081), (267, 76027), (623, 32583), (1869, 10861)]