20667249

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 30707040

約数和(自身を除く): 10039791

約数列:

[1, 3, 9, 73, 83, 219, 249, 379, 657, 747, 1137, 3411, 6059, 18177, 27667, 31457, 54531, 83001, 94371, 249003, 283113, 2296361, 6889083, 20667249]

約数ペア:

[(1, 20667249), (3, 6889083), (9, 2296361), (73, 283113), (83, 249003), (219, 94371), (249, 83001), (379, 54531), (657, 31457), (747, 27667), (1137, 18177), (3411, 6059)]