20557931904

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{55249}}^1$

素因数の和:55305

約数の個数: 192

約数和(自身を含む): 65935350000

約数和(自身を除く): 45377418096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 32, 34, 36, 38, 48, 51, 57, 64, 68, 72, 76, 96, 102, 114, 128, 136, 144, 152, 153, 171, 192, 204, 228, 272, 288, 304, 306, 323, 342, 384, 408, 456, 544, 576, 608, 612, 646, 684, 816, 912, 969, 1088, 1152, 1216, 1224, 1292, 1368, 1632, 1824, 1938, 2176, 2432, 2448, 2584, 2736, 2907, 3264, 3648, 3876, 4896, 5168, 5472, 5814, 6528, 7296, 7752, 9792, 10336, 10944, 11628, 15504, 19584, 20672, 21888, 23256, 31008, 41344, 46512, 55249, 62016, 93024, 110498, 124032, 165747, 186048, 220996, 331494, 372096, 441992, 497241, 662988, 883984, 939233, 994482, 1049731, 1325976, 1767968, 1878466, 1988964, 2099462, 2651952, 2817699, 3149193, 3535936, 3756932, 3977928, 4198924, 5303904, 5635398, 6298386, 7071872, 7513864, 7955856, 8397848, 8453097, 9447579, 10607808, 11270796, 12596772, 15027728, 15911712, 16795696, 16906194, 17845427, 18895158, 21215616, 22541592, 25193544, 30055456, 31823424, 33591392, 33812388, 35690854, 37790316, 45083184, 50387088, 53536281, 60110912, 63646848, 67182784, 67624776, 71381708, 75580632, 90166368, 100774176, 107072562, 120221824, 134365568, 135249552, 142763416, 151161264, 160608843, 180332736, 201548352, 214145124, 270499104, 285526832, 302322528, 321217686, 360665472, 403096704, 428290248, 540998208, 571053664, 604645056, 642435372, 856580496, 1081996416, 1142107328, 1209290112, 1284870744, 1713160992, 2284214656, 2569741488, 3426321984, 5139482976, 6852643968, 10278965952, 20557931904]

約数ペア:

[(1, 20557931904), (2, 10278965952), (3, 6852643968), (4, 5139482976), (6, 3426321984), (8, 2569741488), (9, 2284214656), (12, 1713160992), (16, 1284870744), (17, 1209290112), (18, 1142107328), (19, 1081996416), (24, 856580496), (32, 642435372), (34, 604645056), (36, 571053664), (38, 540998208), (48, 428290248), (51, 403096704), (57, 360665472), (64, 321217686), (68, 302322528), (72, 285526832), (76, 270499104), (96, 214145124), (102, 201548352), (114, 180332736), (128, 160608843), (136, 151161264), (144, 142763416), (152, 135249552), (153, 134365568), (171, 120221824), (192, 107072562), (204, 100774176), (228, 90166368), (272, 75580632), (288, 71381708), (304, 67624776), (306, 67182784), (323, 63646848), (342, 60110912), (384, 53536281), (408, 50387088), (456, 45083184), (544, 37790316), (576, 35690854), (608, 33812388), (612, 33591392), (646, 31823424), (684, 30055456), (816, 25193544), (912, 22541592), (969, 21215616), (1088, 18895158), (1152, 17845427), (1216, 16906194), (1224, 16795696), (1292, 15911712), (1368, 15027728), (1632, 12596772), (1824, 11270796), (1938, 10607808), (2176, 9447579), (2432, 8453097), (2448, 8397848), (2584, 7955856), (2736, 7513864), (2907, 7071872), (3264, 6298386), (3648, 5635398), (3876, 5303904), (4896, 4198924), (5168, 3977928), (5472, 3756932), (5814, 3535936), (6528, 3149193), (7296, 2817699), (7752, 2651952), (9792, 2099462), (10336, 1988964), (10944, 1878466), (11628, 1767968), (15504, 1325976), (19584, 1049731), (20672, 994482), (21888, 939233), (23256, 883984), (31008, 662988), (41344, 497241), (46512, 441992), (55249, 372096), (62016, 331494), (93024, 220996), (110498, 186048), (124032, 165747)]