20321373

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1433}}^1$

素因数の和:1628

約数の個数: 16

約数和(自身を含む): 28221120

約数和(自身を除く): 7899747

約数列:

[1, 3, 29, 87, 163, 489, 1433, 4299, 4727, 14181, 41557, 124671, 233579, 700737, 6773791, 20321373]

約数ペア:

[(1, 20321373), (3, 6773791), (29, 700737), (87, 233579), (163, 124671), (489, 41557), (1433, 14181), (4299, 4727)]