20797430416

素因数分解:

$2^4\times 7^1\times {\mathrm{757}}^1\times {\mathrm{245299}}^1$

素因数の和:246071

約数の個数: 40

約数和(自身を含む): 46112475200

約数和(自身を除く): 25315044784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 757, 1514, 3028, 5299, 6056, 10598, 12112, 21196, 42392, 84784, 245299, 490598, 981196, 1717093, 1962392, 3434186, 3924784, 6868372, 13736744, 27473488, 185691343, 371382686, 742765372, 1299839401, 1485530744, 2599678802, 2971061488, 5199357604, 10398715208, 20797430416]

約数ペア:

[(1, 20797430416), (2, 10398715208), (4, 5199357604), (7, 2971061488), (8, 2599678802), (14, 1485530744), (16, 1299839401), (28, 742765372), (56, 371382686), (112, 185691343), (757, 27473488), (1514, 13736744), (3028, 6868372), (5299, 3924784), (6056, 3434186), (10598, 1962392), (12112, 1717093), (21196, 981196), (42392, 490598), (84784, 245299)]