20688007774

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9786191}}^1$

素因数の和:9786351

約数の個数: 16

約数和(自身を含む): 35700028416

約数和(自身を除く): 15012020642

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9786191, 19572382, 68503337, 137006674, 1477714841, 2955429682, 10344003887, 20688007774]

約数ペア:

[(1, 20688007774), (2, 10344003887), (7, 2955429682), (14, 1477714841), (151, 137006674), (302, 68503337), (1057, 19572382), (2114, 9786191)]