20543644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3359}}^1$

素因数の和:3513

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18969956

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3359, 6116, 6718, 13436, 36949, 73898, 147796, 466901, 933802, 1867604, 5135911, 10271822, 20543644]

約数ペア:

[(1, 20543644), (2, 10271822), (4, 5135911), (11, 1867604), (22, 933802), (44, 466901), (139, 147796), (278, 73898), (556, 36949), (1529, 13436), (3058, 6718), (3359, 6116)]