20785867440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6662137}}^1$

素因数の和:6662166

約数の個数: 80

約数和(自身を含む): 69392829408

約数和(自身を除く): 48606961968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6662137, 13324274, 19986411, 26648548, 33310685, 39972822, 53297096, 66621370, 79945644, 86607781, 99932055, 106594192, 133242740, 159891288, 173215562, 199864110, 259823343, 266485480, 319782576, 346431124, 399728220, 433038905, 519646686, 532970960, 692862248, 799456440, 866077810, 1039293372, 1299116715, 1385724496, 1598912880, 1732155620, 2078586744, 2598233430, 3464311240, 4157173488, 5196466860, 6928622480, 10392933720, 20785867440]

約数ペア:

[(1, 20785867440), (2, 10392933720), (3, 6928622480), (4, 5196466860), (5, 4157173488), (6, 3464311240), (8, 2598233430), (10, 2078586744), (12, 1732155620), (13, 1598912880), (15, 1385724496), (16, 1299116715), (20, 1039293372), (24, 866077810), (26, 799456440), (30, 692862248), (39, 532970960), (40, 519646686), (48, 433038905), (52, 399728220), (60, 346431124), (65, 319782576), (78, 266485480), (80, 259823343), (104, 199864110), (120, 173215562), (130, 159891288), (156, 133242740), (195, 106594192), (208, 99932055), (240, 86607781), (260, 79945644), (312, 66621370), (390, 53297096), (520, 39972822), (624, 33310685), (780, 26648548), (1040, 19986411), (1560, 13324274), (3120, 6662137)]