20802954844

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{463}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 42902286336

約数和(自身を除く): 22099331492

約数列:

[1, 2, 4, 7, 14, 28, 71, 97, 142, 194, 233, 284, 388, 463, 466, 497, 679, 926, 932, 994, 1358, 1631, 1852, 1988, 2716, 3241, 3262, 6482, 6524, 6887, 12964, 13774, 16543, 22601, 27548, 32873, 33086, 44911, 45202, 48209, 65746, 66172, 89822, 90404, 96418, 107879, 115801, 131492, 158207, 179644, 192836, 215758, 230111, 231602, 314377, 316414, 431516, 460222, 463204, 628754, 632828, 755153, 920444, 1257508, 1510306, 1604671, 3020612, 3188681, 3209342, 6377362, 6418684, 7659409, 10464263, 11232697, 12754724, 15318818, 20928526, 22320767, 22465394, 30637636, 41857052, 44641534, 44930788, 53615863, 73249841, 89283068, 107231726, 146499682, 214463452, 292999364, 742962673, 1485925346, 2971850692, 5200738711, 10401477422, 20802954844]

約数ペア:

[(1, 20802954844), (2, 10401477422), (4, 5200738711), (7, 2971850692), (14, 1485925346), (28, 742962673), (71, 292999364), (97, 214463452), (142, 146499682), (194, 107231726), (233, 89283068), (284, 73249841), (388, 53615863), (463, 44930788), (466, 44641534), (497, 41857052), (679, 30637636), (926, 22465394), (932, 22320767), (994, 20928526), (1358, 15318818), (1631, 12754724), (1852, 11232697), (1988, 10464263), (2716, 7659409), (3241, 6418684), (3262, 6377362), (6482, 3209342), (6524, 3188681), (6887, 3020612), (12964, 1604671), (13774, 1510306), (16543, 1257508), (22601, 920444), (27548, 755153), (32873, 632828), (33086, 628754), (44911, 463204), (45202, 460222), (48209, 431516), (65746, 316414), (66172, 314377), (89822, 231602), (90404, 230111), (96418, 215758), (107879, 192836), (115801, 179644), (131492, 158207)]