20444582912

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:424

約数の個数: 176

約数和(自身を含む): 45295229952

約数和(自身を除く): 24850647040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 97, 104, 128, 142, 194, 208, 223, 256, 284, 388, 416, 446, 512, 568, 776, 832, 892, 923, 1024, 1136, 1261, 1552, 1664, 1784, 1846, 2272, 2522, 2899, 3104, 3328, 3568, 3692, 4544, 5044, 5798, 6208, 6656, 6887, 7136, 7384, 9088, 10088, 11596, 12416, 13312, 13774, 14272, 14768, 15833, 18176, 20176, 21631, 23192, 24832, 27548, 28544, 29536, 31666, 36352, 40352, 43262, 46384, 49664, 55096, 57088, 59072, 63332, 72704, 80704, 86524, 89531, 92768, 99328, 110192, 114176, 118144, 126664, 161408, 173048, 179062, 185536, 205829, 220384, 228352, 236288, 253328, 281203, 322816, 346096, 358124, 371072, 411658, 440768, 472576, 506656, 562406, 645632, 692192, 716248, 742144, 823316, 881536, 945152, 1013312, 1124812, 1291264, 1384384, 1432496, 1484288, 1535801, 1646632, 1763072, 2026624, 2249624, 2768768, 2864992, 2968576, 3071602, 3293264, 3526144, 4053248, 4499248, 5537536, 5729984, 6143204, 6586528, 7052288, 8106496, 8998496, 11075072, 11459968, 12286408, 13173056, 16212992, 17996992, 19965413, 22150144, 22919936, 24572816, 26346112, 35993984, 39930826, 45839872, 49145632, 52692224, 71987968, 79861652, 91679744, 98291264, 105384448, 143975936, 159723304, 196582528, 210768896, 287951872, 319446608, 393165056, 638893216, 786330112, 1277786432, 1572660224, 2555572864, 5111145728, 10222291456, 20444582912]

約数ペア:

[(1, 20444582912), (2, 10222291456), (4, 5111145728), (8, 2555572864), (13, 1572660224), (16, 1277786432), (26, 786330112), (32, 638893216), (52, 393165056), (64, 319446608), (71, 287951872), (97, 210768896), (104, 196582528), (128, 159723304), (142, 143975936), (194, 105384448), (208, 98291264), (223, 91679744), (256, 79861652), (284, 71987968), (388, 52692224), (416, 49145632), (446, 45839872), (512, 39930826), (568, 35993984), (776, 26346112), (832, 24572816), (892, 22919936), (923, 22150144), (1024, 19965413), (1136, 17996992), (1261, 16212992), (1552, 13173056), (1664, 12286408), (1784, 11459968), (1846, 11075072), (2272, 8998496), (2522, 8106496), (2899, 7052288), (3104, 6586528), (3328, 6143204), (3568, 5729984), (3692, 5537536), (4544, 4499248), (5044, 4053248), (5798, 3526144), (6208, 3293264), (6656, 3071602), (6887, 2968576), (7136, 2864992), (7384, 2768768), (9088, 2249624), (10088, 2026624), (11596, 1763072), (12416, 1646632), (13312, 1535801), (13774, 1484288), (14272, 1432496), (14768, 1384384), (15833, 1291264), (18176, 1124812), (20176, 1013312), (21631, 945152), (23192, 881536), (24832, 823316), (27548, 742144), (28544, 716248), (29536, 692192), (31666, 645632), (36352, 562406), (40352, 506656), (43262, 472576), (46384, 440768), (49664, 411658), (55096, 371072), (57088, 358124), (59072, 346096), (63332, 322816), (72704, 281203), (80704, 253328), (86524, 236288), (89531, 228352), (92768, 220384), (99328, 205829), (110192, 185536), (114176, 179062), (118144, 173048), (126664, 161408)]