20952701

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11831}}^1$

素因数の和:11872

約数の個数: 16

約数和(自身を含む): 27260928

約数和(自身を除く): 6308227

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11831, 82817, 130141, 272113, 910987, 1904791, 2993243, 20952701]

約数ペア:

[(1, 20952701), (7, 2993243), (11, 1904791), (23, 910987), (77, 272113), (161, 130141), (253, 82817), (1771, 11831)]