20478066

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7993}}^1$

素因数の和:8066

約数の個数: 32

約数和(自身を含む): 47580288

約数和(自身を除く): 27102222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7993, 15986, 23979, 47958, 55951, 111902, 167853, 335706, 487573, 975146, 1462719, 2925438, 3413011, 6826022, 10239033, 20478066]

約数ペア:

[(1, 20478066), (2, 10239033), (3, 6826022), (6, 3413011), (7, 2925438), (14, 1462719), (21, 975146), (42, 487573), (61, 335706), (122, 167853), (183, 111902), (366, 55951), (427, 47958), (854, 23979), (1281, 15986), (2562, 7993)]