20580914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31859}}^1$

素因数の和:31897

約数の個数: 16

約数和(自身を含む): 34408800

約数和(自身を除く): 13827886

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 31859, 63718, 541603, 605321, 1083206, 1210642, 10290457, 20580914]

約数ペア:

[(1, 20580914), (2, 10290457), (17, 1210642), (19, 1083206), (34, 605321), (38, 541603), (323, 63718), (646, 31859)]