20187306081

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1019}}^1\times {\mathrm{14387}}^1$

素因数の和:15435

約数の個数: 40

約数和(自身を含む): 31963805280

約数和(自身を除く): 11776499199

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1019, 1377, 3057, 9171, 14387, 17323, 27513, 43161, 51969, 82539, 129483, 155907, 244579, 388449, 467721, 733737, 1165347, 1403163, 2201211, 6603633, 14660353, 19810899, 43981059, 131943177, 249226001, 395829531, 747678003, 1187488593, 2243034009, 6729102027, 20187306081]

約数ペア:

[(1, 20187306081), (3, 6729102027), (9, 2243034009), (17, 1187488593), (27, 747678003), (51, 395829531), (81, 249226001), (153, 131943177), (459, 43981059), (1019, 19810899), (1377, 14660353), (3057, 6603633), (9171, 2201211), (14387, 1403163), (17323, 1165347), (27513, 733737), (43161, 467721), (51969, 388449), (82539, 244579), (129483, 155907)]