20597216

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1783}}^1$

素因数の和:1831

約数の個数: 36

約数和(自身を含む): 42821352

約数和(自身を除く): 22224136

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1783, 2888, 3566, 5776, 7132, 11552, 14264, 28528, 33877, 57056, 67754, 135508, 271016, 542032, 643663, 1084064, 1287326, 2574652, 5149304, 10298608, 20597216]

約数ペア:

[(1, 20597216), (2, 10298608), (4, 5149304), (8, 2574652), (16, 1287326), (19, 1084064), (32, 643663), (38, 542032), (76, 271016), (152, 135508), (304, 67754), (361, 57056), (608, 33877), (722, 28528), (1444, 14264), (1783, 11552), (2888, 7132), (3566, 5776)]