20764537664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{2221}}^1$

素因数の和:2924

約数の個数: 112

約数和(自身を含む): 47076731856

約数和(自身を除く): 26312194192

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 661, 832, 884, 1088, 1322, 1768, 2221, 2644, 3536, 4442, 5288, 7072, 8593, 8884, 10576, 11237, 14144, 17186, 17768, 21152, 22474, 28873, 34372, 35536, 37757, 42304, 44948, 57746, 68744, 71072, 75514, 89896, 115492, 137488, 142144, 146081, 151028, 179792, 230984, 274976, 292162, 302056, 359584, 461968, 490841, 549952, 584324, 604112, 719168, 923936, 981682, 1168648, 1208224, 1468081, 1847872, 1963364, 2337296, 2416448, 2936162, 3926728, 4674592, 5872324, 7853456, 9349184, 11744648, 15706912, 19085053, 23489296, 24957377, 31413824, 38170106, 46978592, 49914754, 76340212, 93957184, 99829508, 152680424, 199659016, 305360848, 324445901, 399318032, 610721696, 648891802, 798636064, 1221443392, 1297783604, 1597272128, 2595567208, 5191134416, 10382268832, 20764537664]

約数ペア:

[(1, 20764537664), (2, 10382268832), (4, 5191134416), (8, 2595567208), (13, 1597272128), (16, 1297783604), (17, 1221443392), (26, 798636064), (32, 648891802), (34, 610721696), (52, 399318032), (64, 324445901), (68, 305360848), (104, 199659016), (136, 152680424), (208, 99829508), (221, 93957184), (272, 76340212), (416, 49914754), (442, 46978592), (544, 38170106), (661, 31413824), (832, 24957377), (884, 23489296), (1088, 19085053), (1322, 15706912), (1768, 11744648), (2221, 9349184), (2644, 7853456), (3536, 5872324), (4442, 4674592), (5288, 3926728), (7072, 2936162), (8593, 2416448), (8884, 2337296), (10576, 1963364), (11237, 1847872), (14144, 1468081), (17186, 1208224), (17768, 1168648), (21152, 981682), (22474, 923936), (28873, 719168), (34372, 604112), (35536, 584324), (37757, 549952), (42304, 490841), (44948, 461968), (57746, 359584), (68744, 302056), (71072, 292162), (75514, 274976), (89896, 230984), (115492, 179792), (137488, 151028), (142144, 146081)]