20403438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13441}}^1$

素因数の和:13480

約数の個数: 32

約数和(自身を含む): 46455552

約数和(自身を除く): 26052114

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13441, 26882, 40323, 80646, 147851, 295702, 309143, 443553, 618286, 887106, 927429, 1854858, 3400573, 6801146, 10201719, 20403438]

約数ペア:

[(1, 20403438), (2, 10201719), (3, 6801146), (6, 3400573), (11, 1854858), (22, 927429), (23, 887106), (33, 618286), (46, 443553), (66, 309143), (69, 295702), (138, 147851), (253, 80646), (506, 40323), (759, 26882), (1518, 13441)]