20000999368

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1347

約数の個数: 128

約数和(自身を含む): 45168721920

約数和(自身を除く): 25167722552

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 83, 124, 127, 166, 217, 248, 254, 332, 434, 508, 581, 664, 868, 889, 1016, 1093, 1162, 1736, 1778, 2186, 2324, 2573, 3556, 3937, 4372, 4648, 5146, 7112, 7651, 7874, 8744, 10292, 10541, 15302, 15748, 18011, 20584, 21082, 27559, 30604, 31496, 33883, 36022, 42164, 55118, 61208, 67766, 72044, 73787, 84328, 90719, 110236, 135532, 138811, 144088, 147574, 181438, 220472, 237181, 271064, 277622, 295148, 326771, 362876, 474362, 555244, 590296, 635033, 653542, 725752, 948724, 971677, 1110488, 1270066, 1307084, 1897448, 1943354, 2287397, 2540132, 2614168, 2812289, 3886708, 4303141, 4574794, 5080264, 5624578, 7773416, 8606282, 9149588, 11249156, 11521313, 17212564, 18299176, 19686023, 22498312, 23042626, 30121987, 34425128, 39372046, 46085252, 60243974, 78744092, 80649191, 92170504, 120487948, 157488184, 161298382, 240975896, 322596764, 357160703, 645193528, 714321406, 1428642812, 2500124921, 2857285624, 5000249842, 10000499684, 20000999368]

約数ペア:

[(1, 20000999368), (2, 10000499684), (4, 5000249842), (7, 2857285624), (8, 2500124921), (14, 1428642812), (28, 714321406), (31, 645193528), (56, 357160703), (62, 322596764), (83, 240975896), (124, 161298382), (127, 157488184), (166, 120487948), (217, 92170504), (248, 80649191), (254, 78744092), (332, 60243974), (434, 46085252), (508, 39372046), (581, 34425128), (664, 30121987), (868, 23042626), (889, 22498312), (1016, 19686023), (1093, 18299176), (1162, 17212564), (1736, 11521313), (1778, 11249156), (2186, 9149588), (2324, 8606282), (2573, 7773416), (3556, 5624578), (3937, 5080264), (4372, 4574794), (4648, 4303141), (5146, 3886708), (7112, 2812289), (7651, 2614168), (7874, 2540132), (8744, 2287397), (10292, 1943354), (10541, 1897448), (15302, 1307084), (15748, 1270066), (18011, 1110488), (20584, 971677), (21082, 948724), (27559, 725752), (30604, 653542), (31496, 635033), (33883, 590296), (36022, 555244), (42164, 474362), (55118, 362876), (61208, 326771), (67766, 295148), (72044, 277622), (73787, 271064), (84328, 237181), (90719, 220472), (110236, 181438), (135532, 147574), (138811, 144088)]