20007770

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2437}}^1$

素因数の和:3265

約数の個数: 16

約数和(自身を含む): 36072648

約数和(自身を除く): 16064878

約数列:

[1, 2, 5, 10, 821, 1642, 2437, 4105, 4874, 8210, 12185, 24370, 2000777, 4001554, 10003885, 20007770]

約数ペア:

[(1, 20007770), (2, 10003885), (5, 4001554), (10, 2000777), (821, 24370), (1642, 12185), (2437, 8210), (4105, 4874)]