20000828

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 36511104

約数和(自身を除く): 16510276

約数列:

[1, 2, 4, 31, 62, 101, 124, 202, 404, 1597, 3131, 3194, 6262, 6388, 12524, 49507, 99014, 161297, 198028, 322594, 645188, 5000207, 10000414, 20000828]

約数ペア:

[(1, 20000828), (2, 10000414), (4, 5000207), (31, 645188), (62, 322594), (101, 198028), (124, 161297), (202, 99014), (404, 49507), (1597, 12524), (3131, 6388), (3194, 6262)]