20736693872

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9324053}}^1$

素因数の和:9324200

約数の個数: 20

約数和(自身を含む): 40466394360

約数和(自身を除く): 19729700488

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9324053, 18648106, 37296212, 74592424, 149184848, 1296043367, 2592086734, 5184173468, 10368346936, 20736693872]

約数ペア:

[(1, 20736693872), (2, 10368346936), (4, 5184173468), (8, 2592086734), (16, 1296043367), (139, 149184848), (278, 74592424), (556, 37296212), (1112, 18648106), (2224, 9324053)]