20731657177

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1\times {\mathrm{7151}}^1$

素因数の和:8829

約数の個数: 32

約数和(自身を含む): 26991304704

約数和(自身を除く): 6259647527

約数列:

[1, 7, 11, 23, 77, 161, 253, 1637, 1771, 7151, 11459, 18007, 37651, 50057, 78661, 126049, 164473, 263557, 414161, 550627, 1151311, 1809203, 2899127, 11706187, 12664421, 81943309, 128768057, 269242301, 901376399, 1884696107, 2961665311, 20731657177]

約数ペア:

[(1, 20731657177), (7, 2961665311), (11, 1884696107), (23, 901376399), (77, 269242301), (161, 128768057), (253, 81943309), (1637, 12664421), (1771, 11706187), (7151, 2899127), (11459, 1809203), (18007, 1151311), (37651, 550627), (50057, 414161), (78661, 263557), (126049, 164473)]