20742635

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3089}}^1$

素因数の和:3190

約数の個数: 16

約数和(自身を含む): 26697600

約数和(自身を除く): 5954965

約数列:

[1, 5, 17, 79, 85, 395, 1343, 3089, 6715, 15445, 52513, 244031, 262565, 1220155, 4148527, 20742635]

約数ペア:

[(1, 20742635), (5, 4148527), (17, 1220155), (79, 262565), (85, 244031), (395, 52513), (1343, 15445), (3089, 6715)]