20297907

素因数分解:

$3^2\times 7^2\times {\mathrm{46027}}^1$

素因数の和:46047

約数の個数: 18

約数和(自身を含む): 34106748

約数和(自身を除く): 13808841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46027, 138081, 322189, 414243, 966567, 2255323, 2899701, 6765969, 20297907]

約数ペア:

[(1, 20297907), (3, 6765969), (7, 2899701), (9, 2255323), (21, 966567), (49, 414243), (63, 322189), (147, 138081), (441, 46027)]