20464431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12203}}^1$

素因数の和:12262

約数の個数: 16

約数和(自身を含む): 30070656

約数和(自身を除く): 9606225

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12203, 36609, 158639, 475917, 524729, 1574187, 6821477, 20464431]

約数ペア:

[(1, 20464431), (3, 6821477), (13, 1574187), (39, 524729), (43, 475917), (129, 158639), (559, 36609), (1677, 12203)]