20830278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495959}}^1$

素因数の和:495971

約数の個数: 16

約数和(自身を含む): 47612160

約数和(自身を除く): 26781882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495959, 991918, 1487877, 2975754, 3471713, 6943426, 10415139, 20830278]

約数ペア:

[(1, 20830278), (2, 10415139), (3, 6943426), (6, 3471713), (7, 2975754), (14, 1487877), (21, 991918), (42, 495959)]