20716795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22157}}^1$

素因数の和:22190

約数の個数: 16

約数和(自身を含む): 28716768

約数和(自身を除く): 7999973

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22157, 110785, 243727, 376669, 1218635, 1883345, 4143359, 20716795]

約数ペア:

[(1, 20716795), (5, 4143359), (11, 1883345), (17, 1218635), (55, 376669), (85, 243727), (187, 110785), (935, 22157)]