20784928512

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{16573}}^1$

素因数の和:16686

約数の個数: 144

約数和(自身を含む): 58539898368

約数和(自身を除く): 37754969856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 71, 92, 96, 128, 138, 142, 184, 192, 213, 256, 276, 284, 368, 384, 426, 552, 568, 736, 768, 852, 1104, 1136, 1472, 1633, 1704, 2208, 2272, 2944, 3266, 3408, 4416, 4544, 4899, 5888, 6532, 6816, 8832, 9088, 9798, 13064, 13632, 16573, 17664, 18176, 19596, 26128, 27264, 33146, 39192, 49719, 52256, 54528, 66292, 78384, 99438, 104512, 132584, 156768, 198876, 209024, 265168, 313536, 381179, 397752, 418048, 530336, 627072, 762358, 795504, 1060672, 1143537, 1176683, 1254144, 1524716, 1591008, 2121344, 2287074, 2353366, 3049432, 3182016, 3530049, 4242688, 4574148, 4706732, 6098864, 6364032, 7060098, 9148296, 9413464, 12197728, 12728064, 14120196, 18296592, 18826928, 24395456, 27063709, 28240392, 36593184, 37653856, 48790912, 54127418, 56480784, 73186368, 75307712, 81191127, 97581824, 108254836, 112961568, 146372736, 150615424, 162382254, 216509672, 225923136, 292745472, 301230848, 324764508, 433019344, 451846272, 649529016, 866038688, 903692544, 1299058032, 1732077376, 2598116064, 3464154752, 5196232128, 6928309504, 10392464256, 20784928512]

約数ペア:

[(1, 20784928512), (2, 10392464256), (3, 6928309504), (4, 5196232128), (6, 3464154752), (8, 2598116064), (12, 1732077376), (16, 1299058032), (23, 903692544), (24, 866038688), (32, 649529016), (46, 451846272), (48, 433019344), (64, 324764508), (69, 301230848), (71, 292745472), (92, 225923136), (96, 216509672), (128, 162382254), (138, 150615424), (142, 146372736), (184, 112961568), (192, 108254836), (213, 97581824), (256, 81191127), (276, 75307712), (284, 73186368), (368, 56480784), (384, 54127418), (426, 48790912), (552, 37653856), (568, 36593184), (736, 28240392), (768, 27063709), (852, 24395456), (1104, 18826928), (1136, 18296592), (1472, 14120196), (1633, 12728064), (1704, 12197728), (2208, 9413464), (2272, 9148296), (2944, 7060098), (3266, 6364032), (3408, 6098864), (4416, 4706732), (4544, 4574148), (4899, 4242688), (5888, 3530049), (6532, 3182016), (6816, 3049432), (8832, 2353366), (9088, 2287074), (9798, 2121344), (13064, 1591008), (13632, 1524716), (16573, 1254144), (17664, 1176683), (18176, 1143537), (19596, 1060672), (26128, 795504), (27264, 762358), (33146, 627072), (39192, 530336), (49719, 418048), (52256, 397752), (54528, 381179), (66292, 313536), (78384, 265168), (99438, 209024), (104512, 198876), (132584, 156768)]