20129127915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 37397606400

約数和(自身を除く): 17268478485

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 67, 95, 131, 195, 201, 247, 285, 335, 393, 619, 655, 741, 871, 1005, 1235, 1273, 1703, 1857, 1965, 2489, 2613, 3095, 3705, 3819, 4355, 5109, 6365, 7467, 8047, 8515, 8777, 9285, 11761, 12445, 13065, 16549, 19095, 24141, 25545, 26331, 32357, 35283, 37335, 40235, 41473, 43885, 49647, 58805, 81089, 82745, 97071, 114101, 120705, 124419, 131655, 152893, 161785, 166763, 176415, 207365, 243267, 248235, 342303, 405445, 458679, 485355, 500289, 539149, 570505, 622095, 764465, 787987, 833815, 1054157, 1216335, 1540691, 1617447, 1711515, 2167919, 2293395, 2363961, 2501445, 2695745, 3162471, 3939935, 4622073, 5270785, 5432963, 6503757, 7703455, 8087235, 10243831, 10839595, 11819805, 15812355, 16298889, 20028983, 23110365, 27164815, 30731493, 32518785, 51219155, 60086949, 70628519, 81494445, 100144915, 103226297, 153657465, 211885557, 300434745, 309678891, 353142595, 516131485, 1059427785, 1341941861, 1548394455, 4025825583, 6709709305, 20129127915]

約数ペア:

[(1, 20129127915), (3, 6709709305), (5, 4025825583), (13, 1548394455), (15, 1341941861), (19, 1059427785), (39, 516131485), (57, 353142595), (65, 309678891), (67, 300434745), (95, 211885557), (131, 153657465), (195, 103226297), (201, 100144915), (247, 81494445), (285, 70628519), (335, 60086949), (393, 51219155), (619, 32518785), (655, 30731493), (741, 27164815), (871, 23110365), (1005, 20028983), (1235, 16298889), (1273, 15812355), (1703, 11819805), (1857, 10839595), (1965, 10243831), (2489, 8087235), (2613, 7703455), (3095, 6503757), (3705, 5432963), (3819, 5270785), (4355, 4622073), (5109, 3939935), (6365, 3162471), (7467, 2695745), (8047, 2501445), (8515, 2363961), (8777, 2293395), (9285, 2167919), (11761, 1711515), (12445, 1617447), (13065, 1540691), (16549, 1216335), (19095, 1054157), (24141, 833815), (25545, 787987), (26331, 764465), (32357, 622095), (35283, 570505), (37335, 539149), (40235, 500289), (41473, 485355), (43885, 458679), (49647, 405445), (58805, 342303), (81089, 248235), (82745, 243267), (97071, 207365), (114101, 176415), (120705, 166763), (124419, 161785), (131655, 152893)]