20810744

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8311}}^1$

素因数の和:8630

約数の個数: 16

約数和(自身を含む): 39149520

約数和(自身を除く): 18338776

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8311, 16622, 33244, 66488, 2601343, 5202686, 10405372, 20810744]

約数ペア:

[(1, 20810744), (2, 10405372), (4, 5202686), (8, 2601343), (313, 66488), (626, 33244), (1252, 16622), (2504, 8311)]