20472272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67343}}^1$

素因数の和:67370

約数の個数: 20

約数和(自身を含む): 41753280

約数和(自身を除く): 21281008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67343, 134686, 269372, 538744, 1077488, 1279517, 2559034, 5118068, 10236136, 20472272]

約数ペア:

[(1, 20472272), (2, 10236136), (4, 5118068), (8, 2559034), (16, 1279517), (19, 1077488), (38, 538744), (76, 269372), (152, 134686), (304, 67343)]