20385662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 35002368

約数和(自身を除く): 14616706

約数列:

[1, 2, 11, 22, 31, 62, 71, 142, 341, 421, 682, 781, 842, 1562, 2201, 4402, 4631, 9262, 13051, 24211, 26102, 29891, 48422, 59782, 143561, 287122, 328801, 657602, 926621, 1853242, 10192831, 20385662]

約数ペア:

[(1, 20385662), (2, 10192831), (11, 1853242), (22, 926621), (31, 657602), (62, 328801), (71, 287122), (142, 143561), (341, 59782), (421, 48422), (682, 29891), (781, 26102), (842, 24211), (1562, 13051), (2201, 9262), (4402, 4631)]