20168337

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9901}}^1$

素因数の和:10008

約数の個数: 16

約数和(自身を含む): 31052672

約数和(自身を除く): 10884335

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9901, 29703, 69307, 207921, 960397, 2881191, 6722779, 20168337]

約数ペア:

[(1, 20168337), (3, 6722779), (7, 2881191), (21, 960397), (97, 207921), (291, 69307), (679, 29703), (2037, 9901)]