20215932020

素因数分解:

$2^2\times 5^1\times {\mathrm{8731}}^1\times {\mathrm{115771}}^1$

素因数の和:124511

約数の個数: 24

約数和(自身を含む): 42458686368

約数和(自身を除く): 22242754348

約数列:

[1, 2, 4, 5, 10, 20, 8731, 17462, 34924, 43655, 87310, 115771, 174620, 231542, 463084, 578855, 1157710, 2315420, 1010796601, 2021593202, 4043186404, 5053983005, 10107966010, 20215932020]

約数ペア:

[(1, 20215932020), (2, 10107966010), (4, 5053983005), (5, 4043186404), (10, 2021593202), (20, 1010796601), (8731, 2315420), (17462, 1157710), (34924, 578855), (43655, 463084), (87310, 231542), (115771, 174620)]