20704370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{90019}}^1$

素因数の和:90049

約数の個数: 16

約数和(自身を含む): 38888640

約数和(自身を除く): 18184270

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 90019, 180038, 450095, 900190, 2070437, 4140874, 10352185, 20704370]

約数ペア:

[(1, 20704370), (2, 10352185), (5, 4140874), (10, 2070437), (23, 900190), (46, 450095), (115, 180038), (230, 90019)]