20149080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 74269440

約数和(自身を除く): 54120360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 83, 84, 85, 102, 105, 119, 120, 136, 140, 166, 168, 170, 204, 210, 238, 249, 255, 280, 289, 332, 340, 357, 408, 415, 420, 476, 498, 510, 578, 581, 595, 664, 680, 714, 830, 840, 867, 952, 996, 1020, 1156, 1162, 1190, 1245, 1411, 1428, 1445, 1660, 1734, 1743, 1785, 1992, 2023, 2040, 2312, 2324, 2380, 2490, 2822, 2856, 2890, 2905, 3320, 3468, 3486, 3570, 4046, 4233, 4335, 4648, 4760, 4980, 5644, 5780, 5810, 6069, 6936, 6972, 7055, 7140, 8092, 8466, 8670, 8715, 9877, 9960, 10115, 11288, 11560, 11620, 12138, 13944, 14110, 14280, 16184, 16932, 17340, 17430, 19754, 20230, 21165, 23240, 23987, 24276, 28220, 29631, 30345, 33864, 34680, 34860, 39508, 40460, 42330, 47974, 48552, 49385, 56440, 59262, 60690, 69720, 71961, 79016, 80920, 84660, 95948, 98770, 118524, 119935, 121380, 143922, 148155, 167909, 169320, 191896, 197540, 237048, 239870, 242760, 287844, 296310, 335818, 359805, 395080, 479740, 503727, 575688, 592620, 671636, 719610, 839545, 959480, 1007454, 1185240, 1343272, 1439220, 1679090, 2014908, 2518635, 2878440, 3358180, 4029816, 5037270, 6716360, 10074540, 20149080]

約数ペア:

[(1, 20149080), (2, 10074540), (3, 6716360), (4, 5037270), (5, 4029816), (6, 3358180), (7, 2878440), (8, 2518635), (10, 2014908), (12, 1679090), (14, 1439220), (15, 1343272), (17, 1185240), (20, 1007454), (21, 959480), (24, 839545), (28, 719610), (30, 671636), (34, 592620), (35, 575688), (40, 503727), (42, 479740), (51, 395080), (56, 359805), (60, 335818), (68, 296310), (70, 287844), (83, 242760), (84, 239870), (85, 237048), (102, 197540), (105, 191896), (119, 169320), (120, 167909), (136, 148155), (140, 143922), (166, 121380), (168, 119935), (170, 118524), (204, 98770), (210, 95948), (238, 84660), (249, 80920), (255, 79016), (280, 71961), (289, 69720), (332, 60690), (340, 59262), (357, 56440), (408, 49385), (415, 48552), (420, 47974), (476, 42330), (498, 40460), (510, 39508), (578, 34860), (581, 34680), (595, 33864), (664, 30345), (680, 29631), (714, 28220), (830, 24276), (840, 23987), (867, 23240), (952, 21165), (996, 20230), (1020, 19754), (1156, 17430), (1162, 17340), (1190, 16932), (1245, 16184), (1411, 14280), (1428, 14110), (1445, 13944), (1660, 12138), (1734, 11620), (1743, 11560), (1785, 11288), (1992, 10115), (2023, 9960), (2040, 9877), (2312, 8715), (2324, 8670), (2380, 8466), (2490, 8092), (2822, 7140), (2856, 7055), (2890, 6972), (2905, 6936), (3320, 6069), (3468, 5810), (3486, 5780), (3570, 5644), (4046, 4980), (4233, 4760), (4335, 4648)]