20673723

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12388677

約数列:

[1, 3, 7, 21, 29, 83, 87, 203, 249, 409, 581, 609, 1227, 1743, 2407, 2863, 7221, 8589, 11861, 16849, 33947, 35583, 50547, 83027, 101841, 237629, 249081, 712887, 984463, 2953389, 6891241, 20673723]

約数ペア:

[(1, 20673723), (3, 6891241), (7, 2953389), (21, 984463), (29, 712887), (83, 249081), (87, 237629), (203, 101841), (249, 83027), (409, 50547), (581, 35583), (609, 33947), (1227, 16849), (1743, 11861), (2407, 8589), (2863, 7221)]