20787574283

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2213}}^1\times {\mathrm{70627}}^1$

素因数の和:72866

約数の個数: 16

約数和(自身を含む): 25019262720

約数和(自身を除く): 4231688437

約数列:

[1, 7, 19, 133, 2213, 15491, 42047, 70627, 294329, 494389, 1341913, 9393391, 156297551, 1094082857, 2969653469, 20787574283]

約数ペア:

[(1, 20787574283), (7, 2969653469), (19, 1094082857), (133, 156297551), (2213, 9393391), (15491, 1341913), (42047, 494389), (70627, 294329)]