20797623

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30011}}^1$

素因数の和:30035

約数の個数: 24

約数和(自身を含む): 37454976

約数和(自身を除く): 16657353

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30011, 90033, 210077, 270099, 330121, 630231, 990363, 1890693, 2310847, 2971089, 6932541, 20797623]

約数ペア:

[(1, 20797623), (3, 6932541), (7, 2971089), (9, 2310847), (11, 1890693), (21, 990363), (33, 630231), (63, 330121), (77, 270099), (99, 210077), (231, 90033), (693, 30011)]