20177761653

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{173219}}^1$

素因数の和:173318

約数の個数: 36

約数和(自身を含む): 34102167840

約数和(自身を除く): 13924406187

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 1849, 2709, 5547, 12943, 16641, 38829, 116487, 173219, 519657, 1212533, 1558971, 3637599, 7448417, 10912797, 22345251, 52138919, 67035753, 156416757, 320281931, 469250271, 960845793, 2241973517, 2882537379, 6725920551, 20177761653]

約数ペア:

[(1, 20177761653), (3, 6725920551), (7, 2882537379), (9, 2241973517), (21, 960845793), (43, 469250271), (63, 320281931), (129, 156416757), (301, 67035753), (387, 52138919), (903, 22345251), (1849, 10912797), (2709, 7448417), (5547, 3637599), (12943, 1558971), (16641, 1212533), (38829, 519657), (116487, 173219)]