20774866

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78101}}^1$

素因数の和:78129

約数の個数: 16

約数和(自身を含む): 37488960

約数和(自身を除く): 16714094

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78101, 156202, 546707, 1093414, 1483919, 2967838, 10387433, 20774866]

約数ペア:

[(1, 20774866), (2, 10387433), (7, 2967838), (14, 1483919), (19, 1093414), (38, 546707), (133, 156202), (266, 78101)]