16920295

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21019}}^1$

素因数の和:21054

約数の個数: 16

約数和(自身を含む): 24215040

約数和(自身を除く): 7294745

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 21019, 105095, 147133, 483437, 735665, 2417185, 3384059, 16920295]

約数ペア:

[(1, 16920295), (5, 3384059), (7, 2417185), (23, 735665), (35, 483437), (115, 147133), (161, 105095), (805, 21019)]