20091022

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21419}}^1$

素因数の和:21495

約数の個数: 16

約数和(自身を含む): 34957440

約数和(自身を除く): 14866418

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 21419, 42838, 149933, 299866, 1435073, 2870146, 10045511, 20091022]

約数ペア:

[(1, 20091022), (2, 10045511), (7, 2870146), (14, 1435073), (67, 299866), (134, 149933), (469, 42838), (938, 21419)]