20338648

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21011}}^1$

素因数の和:21039

約数の個数: 24

約数和(自身を含む): 41918940

約数和(自身を除く): 21580292

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21011, 42022, 84044, 168088, 231121, 462242, 924484, 1848968, 2542331, 5084662, 10169324, 20338648]

約数ペア:

[(1, 20338648), (2, 10169324), (4, 5084662), (8, 2542331), (11, 1848968), (22, 924484), (44, 462242), (88, 231121), (121, 168088), (242, 84044), (484, 42022), (968, 21011)]