20610477

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 32780160

約数和(自身を除く): 12169683

約数列:

[1, 3, 9, 17, 27, 51, 83, 153, 249, 459, 541, 747, 1411, 1623, 2241, 4233, 4869, 9197, 12699, 14607, 27591, 38097, 44903, 82773, 134709, 248319, 404127, 763351, 1212381, 2290053, 6870159, 20610477]

約数ペア:

[(1, 20610477), (3, 6870159), (9, 2290053), (17, 1212381), (27, 763351), (51, 404127), (83, 248319), (153, 134709), (249, 82773), (459, 44903), (541, 38097), (747, 27591), (1411, 14607), (1623, 12699), (2241, 9197), (4233, 4869)]