20808211753

素因数分解:

$7^1\times {\mathrm{1129}}^1\times {\mathrm{1193}}^1\times {\mathrm{2207}}^1$

素因数の和:4536

約数の個数: 16

約数和(自身を含む): 23832622080

約数和(自身を除く): 3024410327

約数列:

[1, 7, 1129, 1193, 2207, 7903, 8351, 15449, 1346897, 2491703, 2632951, 9428279, 17441921, 18430657, 2972601679, 20808211753]

約数ペア:

[(1, 20808211753), (7, 2972601679), (1129, 18430657), (1193, 17441921), (2207, 9428279), (7903, 2632951), (8351, 2491703), (15449, 1346897)]