20786909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2383}}^1$

素因数の和:2468

約数の個数: 16

約数和(自身を含む): 24831744

約数和(自身を除く): 4044835

約数列:

[1, 11, 13, 61, 143, 671, 793, 2383, 8723, 26213, 30979, 145363, 340769, 1598993, 1889719, 20786909]

約数ペア:

[(1, 20786909), (11, 1889719), (13, 1598993), (61, 340769), (143, 145363), (671, 30979), (793, 26213), (2383, 8723)]