20317080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 74615040

約数和(自身を除く): 54297960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 67, 70, 76, 84, 95, 105, 114, 120, 133, 134, 140, 152, 168, 190, 201, 210, 228, 266, 268, 280, 285, 335, 361, 380, 399, 402, 420, 456, 469, 532, 536, 570, 665, 670, 722, 760, 798, 804, 840, 938, 1005, 1064, 1083, 1140, 1273, 1330, 1340, 1407, 1444, 1596, 1608, 1805, 1876, 1995, 2010, 2166, 2280, 2345, 2527, 2546, 2660, 2680, 2814, 2888, 3192, 3610, 3752, 3819, 3990, 4020, 4332, 4690, 5054, 5092, 5320, 5415, 5628, 6365, 7035, 7220, 7581, 7638, 7980, 8040, 8664, 8911, 9380, 10108, 10184, 10830, 11256, 12635, 12730, 14070, 14440, 15162, 15276, 15960, 17822, 18760, 19095, 20216, 21660, 24187, 25270, 25460, 26733, 28140, 30324, 30552, 35644, 37905, 38190, 43320, 44555, 48374, 50540, 50920, 53466, 56280, 60648, 71288, 72561, 75810, 76380, 89110, 96748, 101080, 106932, 120935, 133665, 145122, 151620, 152760, 169309, 178220, 193496, 213864, 241870, 267330, 290244, 303240, 338618, 356440, 362805, 483740, 507927, 534660, 580488, 677236, 725610, 846545, 967480, 1015854, 1069320, 1354472, 1451220, 1693090, 2031708, 2539635, 2902440, 3386180, 4063416, 5079270, 6772360, 10158540, 20317080]

約数ペア:

[(1, 20317080), (2, 10158540), (3, 6772360), (4, 5079270), (5, 4063416), (6, 3386180), (7, 2902440), (8, 2539635), (10, 2031708), (12, 1693090), (14, 1451220), (15, 1354472), (19, 1069320), (20, 1015854), (21, 967480), (24, 846545), (28, 725610), (30, 677236), (35, 580488), (38, 534660), (40, 507927), (42, 483740), (56, 362805), (57, 356440), (60, 338618), (67, 303240), (70, 290244), (76, 267330), (84, 241870), (95, 213864), (105, 193496), (114, 178220), (120, 169309), (133, 152760), (134, 151620), (140, 145122), (152, 133665), (168, 120935), (190, 106932), (201, 101080), (210, 96748), (228, 89110), (266, 76380), (268, 75810), (280, 72561), (285, 71288), (335, 60648), (361, 56280), (380, 53466), (399, 50920), (402, 50540), (420, 48374), (456, 44555), (469, 43320), (532, 38190), (536, 37905), (570, 35644), (665, 30552), (670, 30324), (722, 28140), (760, 26733), (798, 25460), (804, 25270), (840, 24187), (938, 21660), (1005, 20216), (1064, 19095), (1083, 18760), (1140, 17822), (1273, 15960), (1330, 15276), (1340, 15162), (1407, 14440), (1444, 14070), (1596, 12730), (1608, 12635), (1805, 11256), (1876, 10830), (1995, 10184), (2010, 10108), (2166, 9380), (2280, 8911), (2345, 8664), (2527, 8040), (2546, 7980), (2660, 7638), (2680, 7581), (2814, 7220), (2888, 7035), (3192, 6365), (3610, 5628), (3752, 5415), (3819, 5320), (3990, 5092), (4020, 5054), (4332, 4690)]