20806192

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{977}}^1$

素因数の和:1018

約数の個数: 40

約数和(自身を含む): 44385552

約数和(自身を除く): 23579360

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 977, 1331, 1936, 1954, 2662, 3908, 5324, 7816, 10648, 10747, 15632, 21296, 21494, 42988, 85976, 118217, 171952, 236434, 472868, 945736, 1300387, 1891472, 2600774, 5201548, 10403096, 20806192]

約数ペア:

[(1, 20806192), (2, 10403096), (4, 5201548), (8, 2600774), (11, 1891472), (16, 1300387), (22, 945736), (44, 472868), (88, 236434), (121, 171952), (176, 118217), (242, 85976), (484, 42988), (968, 21494), (977, 21296), (1331, 15632), (1936, 10747), (1954, 10648), (2662, 7816), (3908, 5324)]