20218129767

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{503}}^1$

素因数の和:978

約数の個数: 128

約数和(自身を含む): 36578304000

約数和(自身を除く): 16360174233

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 57, 99, 153, 171, 187, 209, 297, 323, 419, 459, 503, 513, 561, 627, 969, 1257, 1509, 1683, 1881, 2907, 3553, 3771, 4527, 4609, 5049, 5533, 5643, 7123, 7961, 8551, 8721, 9557, 10659, 11313, 13581, 13827, 16599, 21369, 23883, 25653, 28671, 31977, 41481, 49797, 64107, 71649, 76959, 78353, 86013, 87571, 94061, 95931, 105127, 124443, 135337, 149391, 162469, 192321, 210757, 214947, 230877, 235059, 258039, 262713, 282183, 315381, 406011, 487407, 632271, 705177, 788139, 846549, 946143, 1218033, 1462221, 1488707, 1787159, 1896813, 2115531, 2318327, 2364417, 2539647, 2838429, 3582869, 3654099, 4004383, 4386663, 4466121, 5361477, 5690439, 6954981, 10748607, 12013149, 13398363, 16084431, 20864943, 32245821, 36039447, 39411559, 40195089, 44048213, 48253293, 62594829, 68074511, 96737463, 108118341, 118234677, 132144639, 204223533, 354704031, 396433917, 612670599, 748819621, 1064112093, 1189301751, 1838011797, 2246458863, 6739376589, 20218129767]

約数ペア:

[(1, 20218129767), (3, 6739376589), (9, 2246458863), (11, 1838011797), (17, 1189301751), (19, 1064112093), (27, 748819621), (33, 612670599), (51, 396433917), (57, 354704031), (99, 204223533), (153, 132144639), (171, 118234677), (187, 108118341), (209, 96737463), (297, 68074511), (323, 62594829), (419, 48253293), (459, 44048213), (503, 40195089), (513, 39411559), (561, 36039447), (627, 32245821), (969, 20864943), (1257, 16084431), (1509, 13398363), (1683, 12013149), (1881, 10748607), (2907, 6954981), (3553, 5690439), (3771, 5361477), (4527, 4466121), (4609, 4386663), (5049, 4004383), (5533, 3654099), (5643, 3582869), (7123, 2838429), (7961, 2539647), (8551, 2364417), (8721, 2318327), (9557, 2115531), (10659, 1896813), (11313, 1787159), (13581, 1488707), (13827, 1462221), (16599, 1218033), (21369, 946143), (23883, 846549), (25653, 788139), (28671, 705177), (31977, 632271), (41481, 487407), (49797, 406011), (64107, 315381), (71649, 282183), (76959, 262713), (78353, 258039), (86013, 235059), (87571, 230877), (94061, 214947), (95931, 210757), (105127, 192321), (124443, 162469), (135337, 149391)]