20500370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 40481856

約数和(自身を除く): 19981486

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 227, 454, 821, 1135, 1642, 2270, 2497, 4105, 4994, 8210, 9031, 12485, 18062, 24970, 45155, 90310, 186367, 372734, 931835, 1863670, 2050037, 4100074, 10250185, 20500370]

約数ペア:

[(1, 20500370), (2, 10250185), (5, 4100074), (10, 2050037), (11, 1863670), (22, 931835), (55, 372734), (110, 186367), (227, 90310), (454, 45155), (821, 24970), (1135, 18062), (1642, 12485), (2270, 9031), (2497, 8210), (4105, 4994)]