20178943372

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31333763}}^1$

素因数の和:31333797

約数の個数: 24

約数和(自身を含む): 42112578816

約数和(自身を除く): 21933635444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31333763, 62667526, 125335052, 219336341, 438672682, 720676549, 877345364, 1441353098, 2882706196, 5044735843, 10089471686, 20178943372]

約数ペア:

[(1, 20178943372), (2, 10089471686), (4, 5044735843), (7, 2882706196), (14, 1441353098), (23, 877345364), (28, 720676549), (46, 438672682), (92, 219336341), (161, 125335052), (322, 62667526), (644, 31333763)]