20199782168

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{168253}}^1$

素因数の和:168651

約数の個数: 32

約数和(自身を含む): 38866674000

約数和(自身を除く): 18666891832

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 349, 698, 1396, 2792, 15007, 30014, 60028, 120056, 168253, 336506, 673012, 1346024, 7234879, 14469758, 28939516, 57879032, 58720297, 117440594, 234881188, 469762376, 2524972771, 5049945542, 10099891084, 20199782168]

約数ペア:

[(1, 20199782168), (2, 10099891084), (4, 5049945542), (8, 2524972771), (43, 469762376), (86, 234881188), (172, 117440594), (344, 58720297), (349, 57879032), (698, 28939516), (1396, 14469758), (2792, 7234879), (15007, 1346024), (30014, 673012), (60028, 336506), (120056, 168253)]