27821420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126461}}^1$

素因数の和:126481

約数の個数: 24

約数和(自身を含む): 63736848

約数和(自身を除く): 35915428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126461, 252922, 505844, 632305, 1264610, 1391071, 2529220, 2782142, 5564284, 6955355, 13910710, 27821420]

約数ペア:

[(1, 27821420), (2, 13910710), (4, 6955355), (5, 5564284), (10, 2782142), (11, 2529220), (20, 1391071), (22, 1264610), (44, 632305), (55, 505844), (110, 252922), (220, 126461)]