20786805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35533}}^1$

素因数の和:35557

約数の個数: 24

約数和(自身を含む): 38803128

約数和(自身を除く): 18016323

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35533, 106599, 177665, 319797, 461929, 532995, 1385787, 1598985, 2309645, 4157361, 6928935, 20786805]

約数ペア:

[(1, 20786805), (3, 6928935), (5, 4157361), (9, 2309645), (13, 1598985), (15, 1385787), (39, 532995), (45, 461929), (65, 319797), (117, 177665), (195, 106599), (585, 35533)]