20123701857

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{34807}}^1$

素因数の和:34872

約数の個数: 96

約数和(自身を含む): 38093875200

約数和(自身を除く): 17970173343

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 49, 57, 63, 69, 133, 147, 161, 171, 189, 207, 399, 437, 441, 483, 513, 621, 931, 1127, 1197, 1311, 1323, 1449, 2793, 3059, 3381, 3591, 3933, 4347, 8379, 9177, 10143, 11799, 21413, 25137, 27531, 30429, 34807, 64239, 82593, 104421, 192717, 243649, 313263, 578151, 661333, 730947, 800561, 939789, 1705543, 1983999, 2192841, 2401683, 4629331, 5116629, 5603927, 5951997, 6578523, 7205049, 13887993, 15210659, 15349887, 16811781, 17855991, 21615147, 32405317, 39227489, 41663979, 45631977, 46049661, 50435343, 97215951, 106474613, 117682467, 124991937, 136895931, 151306029, 291647853, 319423839, 353047401, 410687793, 745322291, 874943559, 958271517, 1059142203, 2235966873, 2874814551, 6707900619, 20123701857]

約数ペア:

[(1, 20123701857), (3, 6707900619), (7, 2874814551), (9, 2235966873), (19, 1059142203), (21, 958271517), (23, 874943559), (27, 745322291), (49, 410687793), (57, 353047401), (63, 319423839), (69, 291647853), (133, 151306029), (147, 136895931), (161, 124991937), (171, 117682467), (189, 106474613), (207, 97215951), (399, 50435343), (437, 46049661), (441, 45631977), (483, 41663979), (513, 39227489), (621, 32405317), (931, 21615147), (1127, 17855991), (1197, 16811781), (1311, 15349887), (1323, 15210659), (1449, 13887993), (2793, 7205049), (3059, 6578523), (3381, 5951997), (3591, 5603927), (3933, 5116629), (4347, 4629331), (8379, 2401683), (9177, 2192841), (10143, 1983999), (11799, 1705543), (21413, 939789), (25137, 800561), (27531, 730947), (30429, 661333), (34807, 578151), (64239, 313263), (82593, 243649), (104421, 192717)]