20688327

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3119}}^1$

素因数の和:3203

約数の個数: 24

約数和(自身を含む): 33096960

約数和(自身を除く): 12408633

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 3119, 6633, 9357, 28071, 34309, 102927, 208973, 308781, 626919, 1880757, 2298703, 6896109, 20688327]

約数ペア:

[(1, 20688327), (3, 6896109), (9, 2298703), (11, 1880757), (33, 626919), (67, 308781), (99, 208973), (201, 102927), (603, 34309), (737, 28071), (2211, 9357), (3119, 6633)]