20001129

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20641}}^1$

素因数の和:20680

約数の個数: 16

約数和(自身を含む): 29724480

約数和(自身を除く): 9723351

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 20641, 61923, 350897, 392179, 1052691, 1176537, 6667043, 20001129]

約数ペア:

[(1, 20001129), (3, 6667043), (17, 1176537), (19, 1052691), (51, 392179), (57, 350897), (323, 61923), (969, 20641)]