20802520624

素因数分解:

$2^4\times {\mathrm{1789}}^1\times {\mathrm{726751}}^1$

素因数の和:728548

約数の個数: 20

約数和(自身を含む): 40327468480

約数和(自身を除く): 19524947856

約数列:

[1, 2, 4, 8, 16, 1789, 3578, 7156, 14312, 28624, 726751, 1453502, 2907004, 5814008, 11628016, 1300157539, 2600315078, 5200630156, 10401260312, 20802520624]

約数ペア:

[(1, 20802520624), (2, 10401260312), (4, 5200630156), (8, 2600315078), (16, 1300157539), (1789, 11628016), (3578, 5814008), (7156, 2907004), (14312, 1453502), (28624, 726751)]