20512894578

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{2143}}^1\times {\mathrm{145031}}^1$

素因数の和:147190

約数の個数: 32

約数和(自身を含む): 44776599552

約数和(自身を除く): 24263704974

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 2143, 4286, 6429, 12858, 23573, 47146, 70719, 141438, 145031, 290062, 435093, 870186, 1595341, 3190682, 4786023, 9572046, 310801433, 621602866, 932404299, 1864808598, 3418815763, 6837631526, 10256447289, 20512894578]

約数ペア:

[(1, 20512894578), (2, 10256447289), (3, 6837631526), (6, 3418815763), (11, 1864808598), (22, 932404299), (33, 621602866), (66, 310801433), (2143, 9572046), (4286, 4786023), (6429, 3190682), (12858, 1595341), (23573, 870186), (47146, 435093), (70719, 290062), (141438, 145031)]