20280449916

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{6427}}^1$

素因数の和:6600

約数の個数: 144

約数和(自身を含む): 55481147904

約数和(自身を除く): 35200697988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 103, 111, 138, 148, 206, 207, 222, 276, 309, 333, 412, 414, 444, 618, 666, 828, 851, 927, 1236, 1332, 1702, 1854, 2369, 2553, 3404, 3708, 3811, 4738, 5106, 6427, 7107, 7622, 7659, 9476, 10212, 11433, 12854, 14214, 15244, 15318, 19281, 21321, 22866, 25708, 28428, 30636, 34299, 38562, 42642, 45732, 57843, 68598, 77124, 85284, 87653, 115686, 137196, 147821, 175306, 231372, 237799, 262959, 295642, 350612, 443463, 475598, 525918, 591284, 661981, 713397, 788877, 886926, 951196, 1051836, 1323962, 1330389, 1426794, 1577754, 1773852, 1985943, 2140191, 2647924, 2660778, 2853588, 3155508, 3971886, 4280382, 5321556, 5469377, 5957829, 7943772, 8560764, 10938754, 11915658, 15225563, 16408131, 21877508, 23831316, 24493297, 30451126, 32816262, 45676689, 48986594, 49224393, 60902252, 65632524, 73479891, 91353378, 97973188, 98448786, 137030067, 146959782, 182706756, 196897572, 220439673, 274060134, 293919564, 440879346, 548120268, 563345831, 881758692, 1126691662, 1690037493, 2253383324, 3380074986, 5070112479, 6760149972, 10140224958, 20280449916]

約数ペア:

[(1, 20280449916), (2, 10140224958), (3, 6760149972), (4, 5070112479), (6, 3380074986), (9, 2253383324), (12, 1690037493), (18, 1126691662), (23, 881758692), (36, 563345831), (37, 548120268), (46, 440879346), (69, 293919564), (74, 274060134), (92, 220439673), (103, 196897572), (111, 182706756), (138, 146959782), (148, 137030067), (206, 98448786), (207, 97973188), (222, 91353378), (276, 73479891), (309, 65632524), (333, 60902252), (412, 49224393), (414, 48986594), (444, 45676689), (618, 32816262), (666, 30451126), (828, 24493297), (851, 23831316), (927, 21877508), (1236, 16408131), (1332, 15225563), (1702, 11915658), (1854, 10938754), (2369, 8560764), (2553, 7943772), (3404, 5957829), (3708, 5469377), (3811, 5321556), (4738, 4280382), (5106, 3971886), (6427, 3155508), (7107, 2853588), (7622, 2660778), (7659, 2647924), (9476, 2140191), (10212, 1985943), (11433, 1773852), (12854, 1577754), (14214, 1426794), (15244, 1330389), (15318, 1323962), (19281, 1051836), (21321, 951196), (22866, 886926), (25708, 788877), (28428, 713397), (30636, 661981), (34299, 591284), (38562, 525918), (42642, 475598), (45732, 443463), (57843, 350612), (68598, 295642), (77124, 262959), (85284, 237799), (87653, 231372), (115686, 175306), (137196, 147821)]