20218793

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 24455040

約数和(自身を除く): 4236247

約数列:

[1, 7, 19, 133, 281, 541, 1967, 3787, 5339, 10279, 37373, 71953, 152021, 1064147, 2888399, 20218793]

約数ペア:

[(1, 20218793), (7, 2888399), (19, 1064147), (133, 152021), (281, 71953), (541, 37373), (1967, 10279), (3787, 5339)]