20173480160

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{920323}}^1$

素因数の和:920475

約数の個数: 48

約数和(自身を含む): 48007781136

約数和(自身を除く): 27834300976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 21920, 920323, 1840646, 3681292, 4601615, 7362584, 9203230, 14725168, 18406460, 29450336, 36812920, 73625840, 126084251, 147251680, 252168502, 504337004, 630421255, 1008674008, 1260842510, 2017348016, 2521685020, 4034696032, 5043370040, 10086740080, 20173480160]

約数ペア:

[(1, 20173480160), (2, 10086740080), (4, 5043370040), (5, 4034696032), (8, 2521685020), (10, 2017348016), (16, 1260842510), (20, 1008674008), (32, 630421255), (40, 504337004), (80, 252168502), (137, 147251680), (160, 126084251), (274, 73625840), (548, 36812920), (685, 29450336), (1096, 18406460), (1370, 14725168), (2192, 9203230), (2740, 7362584), (4384, 4601615), (5480, 3681292), (10960, 1840646), (21920, 920323)]