20786495068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{821}}^1$

素因数の和:1255

約数の個数: 96

約数和(自身を含む): 41089083840

約数和(自身を除く): 20302588772

約数列:

[1, 2, 4, 17, 29, 34, 37, 58, 68, 74, 116, 148, 347, 493, 629, 694, 821, 986, 1073, 1258, 1388, 1642, 1972, 2146, 2516, 3284, 4292, 5899, 10063, 11798, 12839, 13957, 18241, 20126, 23596, 23809, 25678, 27914, 30377, 36482, 40252, 47618, 51356, 55828, 60754, 72964, 95236, 121508, 171071, 218263, 284887, 342142, 372331, 404753, 436526, 516409, 569774, 684284, 744662, 809506, 873052, 880933, 1032818, 1139548, 1489324, 1619012, 1761866, 2065636, 3523732, 4843079, 6329627, 8261723, 9686158, 10540819, 12659254, 14975861, 16523446, 19372316, 21081638, 25318508, 29951722, 33046892, 42163276, 59903444, 140449291, 179193923, 280898582, 305683751, 358387846, 561797164, 611367502, 716775692, 1222735004, 5196623767, 10393247534, 20786495068]

約数ペア:

[(1, 20786495068), (2, 10393247534), (4, 5196623767), (17, 1222735004), (29, 716775692), (34, 611367502), (37, 561797164), (58, 358387846), (68, 305683751), (74, 280898582), (116, 179193923), (148, 140449291), (347, 59903444), (493, 42163276), (629, 33046892), (694, 29951722), (821, 25318508), (986, 21081638), (1073, 19372316), (1258, 16523446), (1388, 14975861), (1642, 12659254), (1972, 10540819), (2146, 9686158), (2516, 8261723), (3284, 6329627), (4292, 4843079), (5899, 3523732), (10063, 2065636), (11798, 1761866), (12839, 1619012), (13957, 1489324), (18241, 1139548), (20126, 1032818), (23596, 880933), (23809, 873052), (25678, 809506), (27914, 744662), (30377, 684284), (36482, 569774), (40252, 516409), (47618, 436526), (51356, 404753), (55828, 372331), (60754, 342142), (72964, 284887), (95236, 218263), (121508, 171071)]