20825760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1070

約数の個数: 96

約数和(自身を含む): 67193280

約数和(自身を除く): 46367520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1009, 1032, 1290, 1376, 1720, 2018, 2064, 2580, 3027, 3440, 4036, 4128, 5045, 5160, 6054, 6880, 8072, 10090, 10320, 12108, 15135, 16144, 20180, 20640, 24216, 30270, 32288, 40360, 43387, 48432, 60540, 80720, 86774, 96864, 121080, 130161, 161440, 173548, 216935, 242160, 260322, 347096, 433870, 484320, 520644, 650805, 694192, 867740, 1041288, 1301610, 1388384, 1735480, 2082576, 2603220, 3470960, 4165152, 5206440, 6941920, 10412880, 20825760]

約数ペア:

[(1, 20825760), (2, 10412880), (3, 6941920), (4, 5206440), (5, 4165152), (6, 3470960), (8, 2603220), (10, 2082576), (12, 1735480), (15, 1388384), (16, 1301610), (20, 1041288), (24, 867740), (30, 694192), (32, 650805), (40, 520644), (43, 484320), (48, 433870), (60, 347096), (80, 260322), (86, 242160), (96, 216935), (120, 173548), (129, 161440), (160, 130161), (172, 121080), (215, 96864), (240, 86774), (258, 80720), (344, 60540), (430, 48432), (480, 43387), (516, 40360), (645, 32288), (688, 30270), (860, 24216), (1009, 20640), (1032, 20180), (1290, 16144), (1376, 15135), (1720, 12108), (2018, 10320), (2064, 10090), (2580, 8072), (3027, 6880), (3440, 6054), (4036, 5160), (4128, 5045)]