20347086928

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{2963}}^1$

素因数の和:3465

約数の個数: 120

約数和(自身を含む): 48393465120

約数和(自身を除く): 28046378192

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 461, 532, 784, 922, 931, 1064, 1844, 1862, 2128, 2963, 3227, 3688, 3724, 5926, 6454, 7376, 7448, 8759, 11852, 12908, 14896, 17518, 20741, 22589, 23704, 25816, 35036, 41482, 45178, 47408, 51632, 56297, 61313, 70072, 82964, 90356, 112594, 122626, 140144, 145187, 165928, 180712, 225188, 245252, 290374, 331856, 361424, 394079, 429191, 450376, 490504, 580748, 788158, 858382, 900752, 981008, 1161496, 1365943, 1576316, 1716764, 2322992, 2731886, 2758553, 3152632, 3433528, 5463772, 5517106, 6305264, 6867056, 9561601, 10927544, 11034212, 19123202, 21855088, 22068424, 25952917, 38246404, 44136848, 51905834, 66931207, 76492808, 103811668, 133862414, 152985616, 181670419, 207623336, 267724828, 363340838, 415246672, 535449656, 726681676, 1070899312, 1271692933, 1453363352, 2543385866, 2906726704, 5086771732, 10173543464, 20347086928]

約数ペア:

[(1, 20347086928), (2, 10173543464), (4, 5086771732), (7, 2906726704), (8, 2543385866), (14, 1453363352), (16, 1271692933), (19, 1070899312), (28, 726681676), (38, 535449656), (49, 415246672), (56, 363340838), (76, 267724828), (98, 207623336), (112, 181670419), (133, 152985616), (152, 133862414), (196, 103811668), (266, 76492808), (304, 66931207), (392, 51905834), (461, 44136848), (532, 38246404), (784, 25952917), (922, 22068424), (931, 21855088), (1064, 19123202), (1844, 11034212), (1862, 10927544), (2128, 9561601), (2963, 6867056), (3227, 6305264), (3688, 5517106), (3724, 5463772), (5926, 3433528), (6454, 3152632), (7376, 2758553), (7448, 2731886), (8759, 2322992), (11852, 1716764), (12908, 1576316), (14896, 1365943), (17518, 1161496), (20741, 981008), (22589, 900752), (23704, 858382), (25816, 788158), (35036, 580748), (41482, 490504), (45178, 450376), (47408, 429191), (51632, 394079), (56297, 361424), (61313, 331856), (70072, 290374), (82964, 245252), (90356, 225188), (112594, 180712), (122626, 165928), (140144, 145187)]