20021188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4691}}^1$

素因数の和:4803

約数の個数: 24

約数和(自身を含む): 38624544

約数和(自身を除く): 18603356

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4691, 9382, 18764, 51601, 103202, 206404, 455027, 910054, 1820108, 5005297, 10010594, 20021188]

約数ペア:

[(1, 20021188), (2, 10010594), (4, 5005297), (11, 1820108), (22, 910054), (44, 455027), (97, 206404), (194, 103202), (388, 51601), (1067, 18764), (2134, 9382), (4268, 4691)]