20210695

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 25165728

約数和(自身を除く): 4955033

約数列:

[1, 5, 37, 107, 185, 535, 1021, 3959, 5105, 19795, 37777, 109247, 188885, 546235, 4042139, 20210695]

約数ペア:

[(1, 20210695), (5, 4042139), (37, 546235), (107, 188885), (185, 109247), (535, 37777), (1021, 19795), (3959, 5105)]