20844187

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{433}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 26880224

約数和(自身を除く): 6036037

約数列:

[1, 7, 13, 23, 91, 161, 299, 433, 529, 2093, 3031, 3703, 5629, 6877, 9959, 39403, 48139, 69713, 129467, 229057, 906269, 1603399, 2977741, 20844187]

約数ペア:

[(1, 20844187), (7, 2977741), (13, 1603399), (23, 906269), (91, 229057), (161, 129467), (299, 69713), (433, 48139), (529, 39403), (2093, 9959), (3031, 6877), (3703, 5629)]