20517816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{77719}}^1$

素因数の和:77739

約数の個数: 32

約数和(自身を含む): 55958400

約数和(自身を除く): 35440584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 77719, 155438, 233157, 310876, 466314, 621752, 854909, 932628, 1709818, 1865256, 2564727, 3419636, 5129454, 6839272, 10258908, 20517816]

約数ペア:

[(1, 20517816), (2, 10258908), (3, 6839272), (4, 5129454), (6, 3419636), (8, 2564727), (11, 1865256), (12, 1709818), (22, 932628), (24, 854909), (33, 621752), (44, 466314), (66, 310876), (88, 233157), (132, 155438), (264, 77719)]