20946376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 24672824

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 79, 88, 92, 131, 158, 184, 253, 262, 316, 506, 524, 632, 869, 1012, 1048, 1441, 1738, 1817, 2024, 2882, 3013, 3476, 3634, 5764, 6026, 6952, 7268, 10349, 11528, 12052, 14536, 19987, 20698, 24104, 33143, 39974, 41396, 66286, 79948, 82792, 113839, 132572, 159896, 227678, 238027, 265144, 455356, 476054, 910712, 952108, 1904216, 2618297, 5236594, 10473188, 20946376]

約数ペア:

[(1, 20946376), (2, 10473188), (4, 5236594), (8, 2618297), (11, 1904216), (22, 952108), (23, 910712), (44, 476054), (46, 455356), (79, 265144), (88, 238027), (92, 227678), (131, 159896), (158, 132572), (184, 113839), (253, 82792), (262, 79948), (316, 66286), (506, 41396), (524, 39974), (632, 33143), (869, 24104), (1012, 20698), (1048, 19987), (1441, 14536), (1738, 12052), (1817, 11528), (2024, 10349), (2882, 7268), (3013, 6952), (3476, 6026), (3634, 5764)]