20806731512

素因数分解:

$2^3\times 7^1\times {\mathrm{26017}}^1\times {\mathrm{14281}}^1$

素因数の和:40311

約数の個数: 32

約数和(自身を含む): 44590689120

約数和(自身を除く): 23783957608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 14281, 26017, 28562, 52034, 57124, 99967, 104068, 114248, 182119, 199934, 208136, 364238, 399868, 728476, 799736, 1456952, 371548777, 743097554, 1486195108, 2600841439, 2972390216, 5201682878, 10403365756, 20806731512]

約数ペア:

[(1, 20806731512), (2, 10403365756), (4, 5201682878), (7, 2972390216), (8, 2600841439), (14, 1486195108), (28, 743097554), (56, 371548777), (14281, 1456952), (26017, 799736), (28562, 728476), (52034, 399868), (57124, 364238), (99967, 208136), (104068, 199934), (114248, 182119)]