20648144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{117319}}^1$

素因数の和:117338

約数の個数: 20

約数和(自身を含む): 43643040

約数和(自身を除く): 22994896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 117319, 234638, 469276, 938552, 1290509, 1877104, 2581018, 5162036, 10324072, 20648144]

約数ペア:

[(1, 20648144), (2, 10324072), (4, 5162036), (8, 2581018), (11, 1877104), (16, 1290509), (22, 938552), (44, 469276), (88, 234638), (176, 117319)]