20451816

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 288

約数和(自身を含む): 76826880

約数和(自身を除く): 56375064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 17, 18, 21, 22, 24, 28, 31, 33, 34, 36, 42, 44, 49, 51, 56, 62, 63, 66, 68, 72, 77, 84, 88, 93, 98, 99, 102, 119, 124, 126, 132, 136, 147, 153, 154, 168, 186, 187, 196, 198, 204, 217, 231, 238, 248, 252, 264, 279, 294, 306, 308, 341, 357, 372, 374, 392, 396, 408, 434, 441, 462, 476, 504, 527, 539, 558, 561, 588, 612, 616, 651, 682, 693, 714, 744, 748, 792, 833, 868, 882, 924, 952, 1023, 1054, 1071, 1078, 1116, 1122, 1176, 1224, 1302, 1309, 1364, 1386, 1428, 1496, 1519, 1581, 1617, 1666, 1683, 1736, 1764, 1848, 1953, 2046, 2108, 2142, 2156, 2232, 2244, 2387, 2499, 2604, 2618, 2728, 2772, 2856, 3038, 3069, 3162, 3234, 3332, 3366, 3528, 3689, 3906, 3927, 4092, 4216, 4284, 4312, 4488, 4557, 4743, 4774, 4851, 4998, 5208, 5236, 5544, 5797, 6076, 6138, 6324, 6468, 6664, 6732, 7161, 7378, 7497, 7812, 7854, 8184, 8568, 9114, 9163, 9486, 9548, 9702, 9996, 10472, 11067, 11594, 11781, 12152, 12276, 12648, 12936, 13464, 13671, 14322, 14756, 14994, 15624, 15708, 16709, 17391, 18228, 18326, 18972, 19096, 19404, 19992, 21483, 22134, 23188, 23562, 24552, 25823, 27342, 27489, 28644, 29512, 29988, 31416, 33201, 33418, 34782, 36456, 36652, 37944, 38808, 40579, 42966, 44268, 46376, 47124, 50127, 51646, 52173, 54684, 54978, 57288, 59976, 66402, 66836, 69564, 73304, 77469, 81158, 82467, 85932, 88536, 94248, 100254, 103292, 104346, 109368, 109956, 121737, 132804, 133672, 139128, 150381, 154938, 162316, 164934, 171864, 200508, 206584, 208692, 219912, 232407, 243474, 265608, 284053, 300762, 309876, 324632, 329868, 365211, 401016, 417384, 464814, 486948, 568106, 601524, 619752, 659736, 730422, 852159, 929628, 973896, 1136212, 1203048, 1460844, 1704318, 1859256, 2272424, 2556477, 2921688, 3408636, 5112954, 6817272, 10225908, 20451816]

約数ペア:

[(1, 20451816), (2, 10225908), (3, 6817272), (4, 5112954), (6, 3408636), (7, 2921688), (8, 2556477), (9, 2272424), (11, 1859256), (12, 1704318), (14, 1460844), (17, 1203048), (18, 1136212), (21, 973896), (22, 929628), (24, 852159), (28, 730422), (31, 659736), (33, 619752), (34, 601524), (36, 568106), (42, 486948), (44, 464814), (49, 417384), (51, 401016), (56, 365211), (62, 329868), (63, 324632), (66, 309876), (68, 300762), (72, 284053), (77, 265608), (84, 243474), (88, 232407), (93, 219912), (98, 208692), (99, 206584), (102, 200508), (119, 171864), (124, 164934), (126, 162316), (132, 154938), (136, 150381), (147, 139128), (153, 133672), (154, 132804), (168, 121737), (186, 109956), (187, 109368), (196, 104346), (198, 103292), (204, 100254), (217, 94248), (231, 88536), (238, 85932), (248, 82467), (252, 81158), (264, 77469), (279, 73304), (294, 69564), (306, 66836), (308, 66402), (341, 59976), (357, 57288), (372, 54978), (374, 54684), (392, 52173), (396, 51646), (408, 50127), (434, 47124), (441, 46376), (462, 44268), (476, 42966), (504, 40579), (527, 38808), (539, 37944), (558, 36652), (561, 36456), (588, 34782), (612, 33418), (616, 33201), (651, 31416), (682, 29988), (693, 29512), (714, 28644), (744, 27489), (748, 27342), (792, 25823), (833, 24552), (868, 23562), (882, 23188), (924, 22134), (952, 21483), (1023, 19992), (1054, 19404), (1071, 19096), (1078, 18972), (1116, 18326), (1122, 18228), (1176, 17391), (1224, 16709), (1302, 15708), (1309, 15624), (1364, 14994), (1386, 14756), (1428, 14322), (1496, 13671), (1519, 13464), (1581, 12936), (1617, 12648), (1666, 12276), (1683, 12152), (1736, 11781), (1764, 11594), (1848, 11067), (1953, 10472), (2046, 9996), (2108, 9702), (2142, 9548), (2156, 9486), (2232, 9163), (2244, 9114), (2387, 8568), (2499, 8184), (2604, 7854), (2618, 7812), (2728, 7497), (2772, 7378), (2856, 7161), (3038, 6732), (3069, 6664), (3162, 6468), (3234, 6324), (3332, 6138), (3366, 6076), (3528, 5797), (3689, 5544), (3906, 5236), (3927, 5208), (4092, 4998), (4216, 4851), (4284, 4774), (4312, 4743), (4488, 4557)]