20123341820

素因数分解:

$2^2\times 5^1\times {\mathrm{5557}}^1\times {\mathrm{181063}}^1$

素因数の和:186629

約数の個数: 24

約数和(自身を含む): 42266855904

約数和(自身を除く): 22143514084

約数列:

[1, 2, 4, 5, 10, 20, 5557, 11114, 22228, 27785, 55570, 111140, 181063, 362126, 724252, 905315, 1810630, 3621260, 1006167091, 2012334182, 4024668364, 5030835455, 10061670910, 20123341820]

約数ペア:

[(1, 20123341820), (2, 10061670910), (4, 5030835455), (5, 4024668364), (10, 2012334182), (20, 1006167091), (5557, 3621260), (11114, 1810630), (22228, 905315), (27785, 724252), (55570, 362126), (111140, 181063)]