20372204

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2803}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 37685760

約数和(自身を除く): 17313556

約数列:

[1, 2, 4, 23, 46, 79, 92, 158, 316, 1817, 2803, 3634, 5606, 7268, 11212, 64469, 128938, 221437, 257876, 442874, 885748, 5093051, 10186102, 20372204]

約数ペア:

[(1, 20372204), (2, 10186102), (4, 5093051), (23, 885748), (46, 442874), (79, 257876), (92, 221437), (158, 128938), (316, 64469), (1817, 11212), (2803, 7268), (3634, 5606)]