20804557655

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3271}}^1\times {\mathrm{7901}}^1$

素因数の和:11207

約数の個数: 32

約数和(自身を含む): 29785356288

約数和(自身を除く): 8980798633

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 3271, 7901, 16355, 22897, 39505, 55307, 75233, 114485, 181723, 276535, 376165, 526631, 908615, 1272061, 2633155, 6360305, 25844171, 129220855, 180909197, 594415933, 904545985, 2972079665, 4160911531, 20804557655]

約数ペア:

[(1, 20804557655), (5, 4160911531), (7, 2972079665), (23, 904545985), (35, 594415933), (115, 180909197), (161, 129220855), (805, 25844171), (3271, 6360305), (7901, 2633155), (16355, 1272061), (22897, 908615), (39505, 526631), (55307, 376165), (75233, 276535), (114485, 181723)]