20387306559

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1\times {\mathrm{1021}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 31152522240

約数和(自身を除く): 10765215681

約数列:

[1, 3, 17, 23, 29, 51, 69, 87, 391, 493, 587, 667, 1021, 1173, 1479, 1761, 2001, 3063, 9979, 11339, 13501, 17023, 17357, 23483, 29609, 29937, 34017, 40503, 51069, 52071, 70449, 88827, 229517, 289391, 391529, 399211, 503353, 599327, 681007, 688551, 868173, 1174587, 1197633, 1510059, 1797981, 2043021, 6655993, 10188559, 11577119, 13784521, 17380483, 19967979, 30565677, 34731357, 41353563, 52141449, 234336857, 295468211, 399751109, 703010571, 886404633, 1199253327, 6795768853, 20387306559]

約数ペア:

[(1, 20387306559), (3, 6795768853), (17, 1199253327), (23, 886404633), (29, 703010571), (51, 399751109), (69, 295468211), (87, 234336857), (391, 52141449), (493, 41353563), (587, 34731357), (667, 30565677), (1021, 19967979), (1173, 17380483), (1479, 13784521), (1761, 11577119), (2001, 10188559), (3063, 6655993), (9979, 2043021), (11339, 1797981), (13501, 1510059), (17023, 1197633), (17357, 1174587), (23483, 868173), (29609, 688551), (29937, 681007), (34017, 599327), (40503, 503353), (51069, 399211), (52071, 391529), (70449, 289391), (88827, 229517)]