20728522074

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1\times {\mathrm{4397}}^1$

素因数の和:7615

約数の個数: 64

約数和(自身を含む): 47021304960

約数和(自身を除く): 26292782886

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 3181, 4397, 6362, 8794, 9543, 13191, 19086, 26382, 41353, 57161, 60439, 82706, 83543, 114322, 120878, 124059, 167086, 171483, 181317, 248118, 250629, 342966, 362634, 501258, 785707, 1086059, 1571414, 2172118, 2357121, 3258177, 4714242, 6516354, 13986857, 27973714, 41960571, 83921142, 181829141, 265750283, 363658282, 531500566, 545487423, 797250849, 1090974846, 1594501698, 3454753679, 6909507358, 10364261037, 20728522074]

約数ペア:

[(1, 20728522074), (2, 10364261037), (3, 6909507358), (6, 3454753679), (13, 1594501698), (19, 1090974846), (26, 797250849), (38, 545487423), (39, 531500566), (57, 363658282), (78, 265750283), (114, 181829141), (247, 83921142), (494, 41960571), (741, 27973714), (1482, 13986857), (3181, 6516354), (4397, 4714242), (6362, 3258177), (8794, 2357121), (9543, 2172118), (13191, 1571414), (19086, 1086059), (26382, 785707), (41353, 501258), (57161, 362634), (60439, 342966), (82706, 250629), (83543, 248118), (114322, 181317), (120878, 171483), (124059, 167086)]