20441564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2749}}^1$

素因数の和:2790

約数の個数: 36

約数和(自身を含む): 42273000

約数和(自身を除く): 21831436

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2749, 3718, 5498, 7436, 10996, 30239, 35737, 60478, 71474, 120956, 142948, 393107, 464581, 786214, 929162, 1572428, 1858324, 5110391, 10220782, 20441564]

約数ペア:

[(1, 20441564), (2, 10220782), (4, 5110391), (11, 1858324), (13, 1572428), (22, 929162), (26, 786214), (44, 464581), (52, 393107), (143, 142948), (169, 120956), (286, 71474), (338, 60478), (572, 35737), (676, 30239), (1859, 10996), (2749, 7436), (3718, 5498)]