20163800644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{387765397}}^1$

素因数の和:387765414

約数の個数: 12

約数和(自身を含む): 38001009004

約数和(自身を除く): 17837208360

約数列:

[1, 2, 4, 13, 26, 52, 387765397, 775530794, 1551061588, 5040950161, 10081900322, 20163800644]

約数ペア:

[(1, 20163800644), (2, 10081900322), (4, 5040950161), (13, 1551061588), (26, 775530794), (52, 387765397)]