20765488

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9337}}^1$

素因数の和:9484

約数の個数: 20

約数和(自身を含む): 40526920

約数和(自身を除く): 19761432

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9337, 18674, 37348, 74696, 149392, 1297843, 2595686, 5191372, 10382744, 20765488]

約数ペア:

[(1, 20765488), (2, 10382744), (4, 5191372), (8, 2595686), (16, 1297843), (139, 149392), (278, 74696), (556, 37348), (1112, 18674), (2224, 9337)]