20764128

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 69261696

約数和(自身を除く): 48497568

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 53, 56, 66, 77, 84, 88, 96, 106, 112, 132, 154, 159, 168, 176, 212, 224, 231, 264, 308, 318, 336, 352, 371, 424, 462, 528, 583, 616, 636, 672, 742, 848, 924, 1056, 1113, 1166, 1232, 1272, 1484, 1696, 1749, 1848, 2226, 2332, 2464, 2544, 2809, 2968, 3498, 3696, 4081, 4452, 4664, 5088, 5618, 5936, 6996, 7392, 8162, 8427, 8904, 9328, 11236, 11872, 12243, 13992, 16324, 16854, 17808, 18656, 19663, 22472, 24486, 27984, 30899, 32648, 33708, 35616, 39326, 44944, 48972, 55968, 58989, 61798, 65296, 67416, 78652, 89888, 92697, 97944, 117978, 123596, 130592, 134832, 157304, 185394, 195888, 216293, 235956, 247192, 269664, 314608, 370788, 391776, 432586, 471912, 494384, 629216, 648879, 741576, 865172, 943824, 988768, 1297758, 1483152, 1730344, 1887648, 2595516, 2966304, 3460688, 5191032, 6921376, 10382064, 20764128]

約数ペア:

[(1, 20764128), (2, 10382064), (3, 6921376), (4, 5191032), (6, 3460688), (7, 2966304), (8, 2595516), (11, 1887648), (12, 1730344), (14, 1483152), (16, 1297758), (21, 988768), (22, 943824), (24, 865172), (28, 741576), (32, 648879), (33, 629216), (42, 494384), (44, 471912), (48, 432586), (53, 391776), (56, 370788), (66, 314608), (77, 269664), (84, 247192), (88, 235956), (96, 216293), (106, 195888), (112, 185394), (132, 157304), (154, 134832), (159, 130592), (168, 123596), (176, 117978), (212, 97944), (224, 92697), (231, 89888), (264, 78652), (308, 67416), (318, 65296), (336, 61798), (352, 58989), (371, 55968), (424, 48972), (462, 44944), (528, 39326), (583, 35616), (616, 33708), (636, 32648), (672, 30899), (742, 27984), (848, 24486), (924, 22472), (1056, 19663), (1113, 18656), (1166, 17808), (1232, 16854), (1272, 16324), (1484, 13992), (1696, 12243), (1749, 11872), (1848, 11236), (2226, 9328), (2332, 8904), (2464, 8427), (2544, 8162), (2809, 7392), (2968, 6996), (3498, 5936), (3696, 5618), (4081, 5088), (4452, 4664)]