20845153

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3011}}^1$

素因数の和:3084

約数の個数: 16

約数和(自身を含む): 25445376

約数和(自身を除く): 4600223

約数列:

[1, 7, 23, 43, 161, 301, 989, 3011, 6923, 21077, 69253, 129473, 484771, 906311, 2977879, 20845153]

約数ペア:

[(1, 20845153), (7, 2977879), (23, 906311), (43, 484771), (161, 129473), (301, 69253), (989, 21077), (3011, 6923)]