20546422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1229}}^1$

素因数の和:1887

約数の個数: 16

約数和(自身を含む): 33269040

約数和(自身を除く): 12722618

約数列:

[1, 2, 13, 26, 643, 1229, 1286, 2458, 8359, 15977, 16718, 31954, 790247, 1580494, 10273211, 20546422]

約数ペア:

[(1, 20546422), (2, 10273211), (13, 1580494), (26, 790247), (643, 31954), (1229, 16718), (1286, 15977), (2458, 8359)]