20685470817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3257}}^1\times {\mathrm{11321}}^1$

素因数の和:14609

約数の個数: 32

約数和(自身を含む): 31870433664

約数和(自身を除く): 11184962847

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 3257, 9771, 11321, 33963, 35827, 55369, 107481, 124531, 166107, 192457, 373593, 577371, 609059, 1827177, 2117027, 6351081, 36872497, 110617491, 405597467, 626832449, 1216792401, 1880497347, 6895156939, 20685470817]

約数ペア:

[(1, 20685470817), (3, 6895156939), (11, 1880497347), (17, 1216792401), (33, 626832449), (51, 405597467), (187, 110617491), (561, 36872497), (3257, 6351081), (9771, 2117027), (11321, 1827177), (33963, 609059), (35827, 577371), (55369, 373593), (107481, 192457), (124531, 166107)]