20648918510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1531}}^1\times {\mathrm{122611}}^1$

素因数の和:124160

約数の個数: 32

約数和(自身を含む): 40573782144

約数和(自身を除く): 19924863634

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1531, 3062, 7655, 15310, 16841, 33682, 84205, 122611, 168410, 245222, 613055, 1226110, 1348721, 2697442, 6743605, 13487210, 187717441, 375434882, 938587205, 1877174410, 2064891851, 4129783702, 10324459255, 20648918510]

約数ペア:

[(1, 20648918510), (2, 10324459255), (5, 4129783702), (10, 2064891851), (11, 1877174410), (22, 938587205), (55, 375434882), (110, 187717441), (1531, 13487210), (3062, 6743605), (7655, 2697442), (15310, 1348721), (16841, 1226110), (33682, 613055), (84205, 245222), (122611, 168410)]