20925095217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1\times {\mathrm{4549}}^1$

素因数の和:6137

約数の個数: 32

約数和(自身を含む): 30453696000

約数和(自身を除く): 9528600783

約数列:

[1, 3, 13, 39, 79, 237, 1027, 1493, 3081, 4479, 4549, 13647, 19409, 58227, 59137, 117947, 177411, 353841, 359371, 1078113, 1533311, 4599933, 4671823, 6791657, 14015469, 20374971, 88291541, 264874623, 536540903, 1609622709, 6975031739, 20925095217]

約数ペア:

[(1, 20925095217), (3, 6975031739), (13, 1609622709), (39, 536540903), (79, 264874623), (237, 88291541), (1027, 20374971), (1493, 14015469), (3081, 6791657), (4479, 4671823), (4549, 4599933), (13647, 1533311), (19409, 1078113), (58227, 359371), (59137, 353841), (117947, 177411)]