20888970560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:761

約数の個数: 224

約数和(自身を含む): 53185600512

約数和(自身を除く): 32296629952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 67, 80, 106, 124, 134, 155, 160, 212, 248, 265, 268, 310, 320, 335, 424, 496, 530, 536, 593, 620, 670, 848, 992, 1060, 1072, 1186, 1240, 1340, 1643, 1696, 1984, 2077, 2120, 2144, 2372, 2480, 2680, 2965, 3286, 3392, 3551, 4154, 4240, 4288, 4744, 4960, 5360, 5930, 6572, 7102, 8215, 8308, 8480, 9488, 9920, 10385, 10720, 11860, 13144, 14204, 16430, 16616, 16960, 17755, 18383, 18976, 20770, 21440, 23720, 26288, 28408, 31429, 32860, 33232, 35510, 36766, 37952, 39731, 41540, 47440, 52576, 56816, 62858, 65720, 66464, 71020, 73532, 79462, 83080, 91915, 94880, 105152, 110081, 113632, 125716, 131440, 132928, 142040, 147064, 157145, 158924, 166160, 183830, 189760, 198655, 220162, 227264, 251432, 262880, 284080, 294128, 314290, 317848, 332320, 367660, 397310, 440324, 502864, 525760, 550405, 568160, 588256, 628580, 635696, 664640, 735320, 794620, 880648, 974299, 1005728, 1100810, 1136320, 1176512, 1231661, 1257160, 1271392, 1470640, 1589240, 1761296, 1948598, 2011456, 2105743, 2201620, 2463322, 2514320, 2542784, 2941280, 3178480, 3522592, 3897196, 4211486, 4403240, 4871495, 4926644, 5028640, 5882560, 6158305, 6356960, 7045184, 7794392, 8422972, 8806480, 9742990, 9853288, 10057280, 10528715, 12316610, 12713920, 15588784, 16845944, 17612960, 19485980, 19706576, 21057430, 24633220, 31177568, 33691888, 35225920, 38971960, 39413152, 42114860, 49266440, 62355136, 65278033, 67383776, 77943920, 78826304, 84229720, 98532880, 130556066, 134767552, 155887840, 168459440, 197065760, 261112132, 311775680, 326390165, 336918880, 394131520, 522224264, 652780330, 673837760, 1044448528, 1305560660, 2088897056, 2611121320, 4177794112, 5222242640, 10444485280, 20888970560]

約数ペア:

[(1, 20888970560), (2, 10444485280), (4, 5222242640), (5, 4177794112), (8, 2611121320), (10, 2088897056), (16, 1305560660), (20, 1044448528), (31, 673837760), (32, 652780330), (40, 522224264), (53, 394131520), (62, 336918880), (64, 326390165), (67, 311775680), (80, 261112132), (106, 197065760), (124, 168459440), (134, 155887840), (155, 134767552), (160, 130556066), (212, 98532880), (248, 84229720), (265, 78826304), (268, 77943920), (310, 67383776), (320, 65278033), (335, 62355136), (424, 49266440), (496, 42114860), (530, 39413152), (536, 38971960), (593, 35225920), (620, 33691888), (670, 31177568), (848, 24633220), (992, 21057430), (1060, 19706576), (1072, 19485980), (1186, 17612960), (1240, 16845944), (1340, 15588784), (1643, 12713920), (1696, 12316610), (1984, 10528715), (2077, 10057280), (2120, 9853288), (2144, 9742990), (2372, 8806480), (2480, 8422972), (2680, 7794392), (2965, 7045184), (3286, 6356960), (3392, 6158305), (3551, 5882560), (4154, 5028640), (4240, 4926644), (4288, 4871495), (4744, 4403240), (4960, 4211486), (5360, 3897196), (5930, 3522592), (6572, 3178480), (7102, 2941280), (8215, 2542784), (8308, 2514320), (8480, 2463322), (9488, 2201620), (9920, 2105743), (10385, 2011456), (10720, 1948598), (11860, 1761296), (13144, 1589240), (14204, 1470640), (16430, 1271392), (16616, 1257160), (16960, 1231661), (17755, 1176512), (18383, 1136320), (18976, 1100810), (20770, 1005728), (21440, 974299), (23720, 880648), (26288, 794620), (28408, 735320), (31429, 664640), (32860, 635696), (33232, 628580), (35510, 588256), (36766, 568160), (37952, 550405), (39731, 525760), (41540, 502864), (47440, 440324), (52576, 397310), (56816, 367660), (62858, 332320), (65720, 317848), (66464, 314290), (71020, 294128), (73532, 284080), (79462, 262880), (83080, 251432), (91915, 227264), (94880, 220162), (105152, 198655), (110081, 189760), (113632, 183830), (125716, 166160), (131440, 158924), (132928, 157145), (142040, 147064)]