20139272

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{41269}}^1$

素因数の和:41336

約数の個数: 16

約数和(自身を含む): 38381100

約数和(自身を除く): 18241828

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 41269, 82538, 165076, 330152, 2517409, 5034818, 10069636, 20139272]

約数ペア:

[(1, 20139272), (2, 10069636), (4, 5034818), (8, 2517409), (61, 330152), (122, 165076), (244, 82538), (488, 41269)]