20601513

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 11452887

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 317, 747, 783, 951, 2241, 2407, 2853, 7221, 8559, 9193, 21663, 26311, 27579, 64989, 78933, 82737, 236799, 248211, 710397, 763019, 2289057, 6867171, 20601513]

約数ペア:

[(1, 20601513), (3, 6867171), (9, 2289057), (27, 763019), (29, 710397), (83, 248211), (87, 236799), (249, 82737), (261, 78933), (317, 64989), (747, 27579), (783, 26311), (951, 21663), (2241, 9193), (2407, 8559), (2853, 7221)]