20951007

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90697}}^1$

素因数の和:90718

約数の個数: 16

約数和(自身を含む): 34828032

約数和(自身を除く): 13877025

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90697, 272091, 634879, 997667, 1904637, 2993001, 6983669, 20951007]

約数ペア:

[(1, 20951007), (3, 6983669), (7, 2993001), (11, 1904637), (21, 997667), (33, 634879), (77, 272091), (231, 90697)]