20966374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73309}}^1$

素因数の和:73335

約数の個数: 16

約数和(自身を含む): 36948240

約数和(自身を除く): 15981866

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73309, 146618, 806399, 953017, 1612798, 1906034, 10483187, 20966374]

約数ペア:

[(1, 20966374), (2, 10483187), (11, 1906034), (13, 1612798), (22, 953017), (26, 806399), (143, 146618), (286, 73309)]