20891084

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2341}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 38558688

約数和(自身を除く): 17667604

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 2341, 4462, 4682, 8924, 9364, 53843, 107686, 215372, 227077, 454154, 908308, 5222771, 10445542, 20891084]

約数ペア:

[(1, 20891084), (2, 10445542), (4, 5222771), (23, 908308), (46, 454154), (92, 227077), (97, 215372), (194, 107686), (388, 53843), (2231, 9364), (2341, 8924), (4462, 4682)]