20955276

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13537}}^1$

素因数の和:13590

約数の個数: 36

約数和(自身を含む): 54206152

約数和(自身を除く): 33250876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13537, 27074, 40611, 54148, 81222, 121833, 162444, 243666, 487332, 582091, 1164182, 1746273, 2328364, 3492546, 5238819, 6985092, 10477638, 20955276]

約数ペア:

[(1, 20955276), (2, 10477638), (3, 6985092), (4, 5238819), (6, 3492546), (9, 2328364), (12, 1746273), (18, 1164182), (36, 582091), (43, 487332), (86, 243666), (129, 162444), (172, 121833), (258, 81222), (387, 54148), (516, 40611), (774, 27074), (1548, 13537)]