20511792

素因数分解:

$2^4\times 3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 300

約数和(自身を含む): 76970520

約数和(自身を除く): 56458728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 19, 21, 24, 27, 28, 34, 36, 38, 42, 48, 49, 51, 54, 56, 57, 63, 68, 72, 76, 81, 84, 98, 102, 108, 112, 114, 119, 126, 133, 136, 144, 147, 152, 153, 162, 168, 171, 189, 196, 204, 216, 228, 238, 252, 266, 272, 294, 304, 306, 323, 324, 336, 342, 357, 378, 392, 399, 408, 432, 441, 456, 459, 476, 504, 513, 532, 567, 588, 612, 646, 648, 684, 714, 756, 784, 798, 816, 833, 882, 912, 918, 931, 952, 969, 1008, 1026, 1064, 1071, 1134, 1176, 1197, 1224, 1292, 1296, 1323, 1368, 1377, 1428, 1512, 1539, 1596, 1666, 1764, 1836, 1862, 1904, 1938, 2052, 2128, 2142, 2261, 2268, 2352, 2394, 2448, 2499, 2584, 2646, 2736, 2754, 2793, 2856, 2907, 3024, 3078, 3192, 3213, 3332, 3528, 3591, 3672, 3724, 3876, 3969, 4104, 4284, 4522, 4536, 4788, 4998, 5168, 5292, 5508, 5586, 5712, 5814, 6156, 6384, 6426, 6664, 6783, 7056, 7182, 7344, 7448, 7497, 7752, 7938, 8208, 8379, 8568, 8721, 9044, 9072, 9576, 9639, 9996, 10584, 10773, 11016, 11172, 11628, 12312, 12852, 13328, 13566, 14364, 14896, 14994, 15504, 15827, 15876, 16758, 17136, 17442, 18088, 19152, 19278, 19992, 20349, 21168, 21546, 22032, 22344, 22491, 23256, 24624, 25137, 25704, 26163, 27132, 28728, 29988, 31654, 31752, 33516, 34884, 36176, 38556, 39984, 40698, 43092, 44688, 44982, 46512, 47481, 50274, 51408, 52326, 54264, 57456, 59976, 61047, 63308, 63504, 67032, 67473, 69768, 75411, 77112, 81396, 86184, 89964, 94962, 100548, 104652, 108528, 119952, 122094, 126616, 134064, 134946, 139536, 142443, 150822, 154224, 162792, 172368, 179928, 183141, 189924, 201096, 209304, 244188, 253232, 269892, 284886, 301644, 325584, 359856, 366282, 379848, 402192, 418608, 427329, 488376, 539784, 569772, 603288, 732564, 759696, 854658, 976752, 1079568, 1139544, 1206576, 1281987, 1465128, 1709316, 2279088, 2563974, 2930256, 3418632, 5127948, 6837264, 10255896, 20511792]

約数ペア:

[(1, 20511792), (2, 10255896), (3, 6837264), (4, 5127948), (6, 3418632), (7, 2930256), (8, 2563974), (9, 2279088), (12, 1709316), (14, 1465128), (16, 1281987), (17, 1206576), (18, 1139544), (19, 1079568), (21, 976752), (24, 854658), (27, 759696), (28, 732564), (34, 603288), (36, 569772), (38, 539784), (42, 488376), (48, 427329), (49, 418608), (51, 402192), (54, 379848), (56, 366282), (57, 359856), (63, 325584), (68, 301644), (72, 284886), (76, 269892), (81, 253232), (84, 244188), (98, 209304), (102, 201096), (108, 189924), (112, 183141), (114, 179928), (119, 172368), (126, 162792), (133, 154224), (136, 150822), (144, 142443), (147, 139536), (152, 134946), (153, 134064), (162, 126616), (168, 122094), (171, 119952), (189, 108528), (196, 104652), (204, 100548), (216, 94962), (228, 89964), (238, 86184), (252, 81396), (266, 77112), (272, 75411), (294, 69768), (304, 67473), (306, 67032), (323, 63504), (324, 63308), (336, 61047), (342, 59976), (357, 57456), (378, 54264), (392, 52326), (399, 51408), (408, 50274), (432, 47481), (441, 46512), (456, 44982), (459, 44688), (476, 43092), (504, 40698), (513, 39984), (532, 38556), (567, 36176), (588, 34884), (612, 33516), (646, 31752), (648, 31654), (684, 29988), (714, 28728), (756, 27132), (784, 26163), (798, 25704), (816, 25137), (833, 24624), (882, 23256), (912, 22491), (918, 22344), (931, 22032), (952, 21546), (969, 21168), (1008, 20349), (1026, 19992), (1064, 19278), (1071, 19152), (1134, 18088), (1176, 17442), (1197, 17136), (1224, 16758), (1292, 15876), (1296, 15827), (1323, 15504), (1368, 14994), (1377, 14896), (1428, 14364), (1512, 13566), (1539, 13328), (1596, 12852), (1666, 12312), (1764, 11628), (1836, 11172), (1862, 11016), (1904, 10773), (1938, 10584), (2052, 9996), (2128, 9639), (2142, 9576), (2261, 9072), (2268, 9044), (2352, 8721), (2394, 8568), (2448, 8379), (2499, 8208), (2584, 7938), (2646, 7752), (2736, 7497), (2754, 7448), (2793, 7344), (2856, 7182), (2907, 7056), (3024, 6783), (3078, 6664), (3192, 6426), (3213, 6384), (3332, 6156), (3528, 5814), (3591, 5712), (3672, 5586), (3724, 5508), (3876, 5292), (3969, 5168), (4104, 4998), (4284, 4788), (4522, 4536)]