20492906

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77041}}^1$

素因数の和:77069

約数の個数: 16

約数和(自身を含む): 36980160

約数和(自身を除く): 16487254

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77041, 154082, 539287, 1078574, 1463779, 2927558, 10246453, 20492906]

約数ペア:

[(1, 20492906), (2, 10246453), (7, 2927558), (14, 1463779), (19, 1078574), (38, 539287), (133, 154082), (266, 77041)]