20687520966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{11831}}^1$

素因数の和:11970

約数の個数: 128

約数和(自身を含む): 52340981760

約数和(自身を除く): 31653460794

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 51, 62, 79, 93, 102, 119, 158, 186, 217, 237, 238, 357, 434, 474, 527, 553, 651, 714, 1054, 1106, 1302, 1343, 1581, 1659, 2449, 2686, 3162, 3318, 3689, 4029, 4898, 7347, 7378, 8058, 9401, 11067, 11831, 14694, 17143, 18802, 22134, 23662, 28203, 34286, 35493, 41633, 51429, 56406, 70986, 82817, 83266, 102858, 124899, 165634, 201127, 248451, 249798, 291431, 366761, 402254, 496902, 582862, 603381, 733522, 874293, 934649, 1100283, 1206762, 1407889, 1748586, 1869298, 2200566, 2567327, 2803947, 2815778, 4223667, 5134654, 5607894, 6234937, 6542543, 7701981, 8447334, 12469874, 13085086, 15403962, 15889033, 18704811, 19627629, 28974119, 31778066, 37409622, 39255258, 43644559, 47667099, 57948238, 86922357, 87289118, 95334198, 111223231, 130933677, 173844714, 202818833, 222446462, 261867354, 333669693, 405637666, 492560023, 608456499, 667339386, 985120046, 1216912998, 1477680069, 2955360138, 3447920161, 6895840322, 10343760483, 20687520966]

約数ペア:

[(1, 20687520966), (2, 10343760483), (3, 6895840322), (6, 3447920161), (7, 2955360138), (14, 1477680069), (17, 1216912998), (21, 985120046), (31, 667339386), (34, 608456499), (42, 492560023), (51, 405637666), (62, 333669693), (79, 261867354), (93, 222446462), (102, 202818833), (119, 173844714), (158, 130933677), (186, 111223231), (217, 95334198), (237, 87289118), (238, 86922357), (357, 57948238), (434, 47667099), (474, 43644559), (527, 39255258), (553, 37409622), (651, 31778066), (714, 28974119), (1054, 19627629), (1106, 18704811), (1302, 15889033), (1343, 15403962), (1581, 13085086), (1659, 12469874), (2449, 8447334), (2686, 7701981), (3162, 6542543), (3318, 6234937), (3689, 5607894), (4029, 5134654), (4898, 4223667), (7347, 2815778), (7378, 2803947), (8058, 2567327), (9401, 2200566), (11067, 1869298), (11831, 1748586), (14694, 1407889), (17143, 1206762), (18802, 1100283), (22134, 934649), (23662, 874293), (28203, 733522), (34286, 603381), (35493, 582862), (41633, 496902), (51429, 402254), (56406, 366761), (70986, 291431), (82817, 249798), (83266, 248451), (102858, 201127), (124899, 165634)]