20874355

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 25657344

約数和(自身を除く): 4782989

約数列:

[1, 5, 71, 127, 355, 463, 635, 2315, 9017, 32873, 45085, 58801, 164365, 294005, 4174871, 20874355]

約数ペア:

[(1, 20874355), (5, 4174871), (71, 294005), (127, 164365), (355, 58801), (463, 45085), (635, 32873), (2315, 9017)]