20348779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 24358608

約数和(自身を除く): 4009829

約数列:

[1, 11, 17, 37, 173, 187, 289, 407, 629, 1903, 2941, 3179, 6401, 6919, 10693, 32351, 49997, 70411, 108817, 117623, 549967, 1196987, 1849889, 20348779]

約数ペア:

[(1, 20348779), (11, 1849889), (17, 1196987), (37, 549967), (173, 117623), (187, 108817), (289, 70411), (407, 49997), (629, 32351), (1903, 10693), (2941, 6919), (3179, 6401)]