20717307

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1567}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 32532864

約数和(自身を除く): 11815557

約数列:

[1, 3, 9, 13, 39, 113, 117, 339, 1017, 1469, 1567, 4407, 4701, 13221, 14103, 20371, 61113, 177071, 183339, 531213, 1593639, 2301923, 6905769, 20717307]

約数ペア:

[(1, 20717307), (3, 6905769), (9, 2301923), (13, 1593639), (39, 531213), (113, 183339), (117, 177071), (339, 61113), (1017, 20371), (1469, 14103), (1567, 13221), (4407, 4701)]