20643711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1493}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 30119040

約数和(自身を除く): 9475329

約数列:

[1, 3, 11, 33, 419, 1257, 1493, 4479, 4609, 13827, 16423, 49269, 625567, 1876701, 6881237, 20643711]

約数ペア:

[(1, 20643711), (3, 6881237), (11, 1876701), (33, 625567), (419, 49269), (1257, 16423), (1493, 13827), (4479, 4609)]