20781284

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5779}}^1$

素因数の和:5843

約数の個数: 24

約数和(自身を含む): 38841600

約数和(自身を除く): 18060316

約数列:

[1, 2, 4, 29, 31, 58, 62, 116, 124, 899, 1798, 3596, 5779, 11558, 23116, 167591, 179149, 335182, 358298, 670364, 716596, 5195321, 10390642, 20781284]

約数ペア:

[(1, 20781284), (2, 10390642), (4, 5195321), (29, 716596), (31, 670364), (58, 358298), (62, 335182), (116, 179149), (124, 167591), (899, 23116), (1798, 11558), (3596, 5779)]