20147655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5351

約数の個数: 32

約数和(自身を含む): 36702720

約数和(自身を除く): 16555065

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5309, 15927, 26545, 58399, 79635, 122107, 175197, 291995, 366321, 610535, 875985, 1343177, 1831605, 4029531, 6715885, 20147655]

約数ペア:

[(1, 20147655), (3, 6715885), (5, 4029531), (11, 1831605), (15, 1343177), (23, 875985), (33, 610535), (55, 366321), (69, 291995), (115, 175197), (165, 122107), (253, 79635), (345, 58399), (759, 26545), (1265, 15927), (3795, 5309)]