20402790216

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{1489}}^1$

素因数の和:1867

約数の個数: 128

約数和(自身を含む): 54355200000

約数和(自身を除く): 33952409784

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 151, 152, 199, 228, 302, 398, 453, 456, 597, 604, 796, 906, 1194, 1208, 1489, 1592, 1812, 2388, 2869, 2978, 3624, 3781, 4467, 4776, 5738, 5956, 7562, 8607, 8934, 11343, 11476, 11912, 15124, 17214, 17868, 22686, 22952, 28291, 30049, 30248, 34428, 35736, 45372, 56582, 60098, 68856, 84873, 90147, 90744, 113164, 120196, 169746, 180294, 224839, 226328, 240392, 296311, 339492, 360588, 449678, 570931, 592622, 674517, 678984, 721176, 888933, 899356, 1141862, 1185244, 1349034, 1712793, 1777866, 1798712, 2283724, 2370488, 2698068, 3425586, 3555732, 4271941, 4567448, 5396136, 5629909, 6851172, 7111464, 8543882, 11259818, 12815823, 13702344, 16889727, 17087764, 22519636, 25631646, 33779454, 34175528, 44742961, 45039272, 51263292, 67558908, 89485922, 102526584, 134228883, 135117816, 178971844, 268457766, 357943688, 536915532, 850116259, 1073831064, 1700232518, 2550348777, 3400465036, 5100697554, 6800930072, 10201395108, 20402790216]

約数ペア:

[(1, 20402790216), (2, 10201395108), (3, 6800930072), (4, 5100697554), (6, 3400465036), (8, 2550348777), (12, 1700232518), (19, 1073831064), (24, 850116259), (38, 536915532), (57, 357943688), (76, 268457766), (114, 178971844), (151, 135117816), (152, 134228883), (199, 102526584), (228, 89485922), (302, 67558908), (398, 51263292), (453, 45039272), (456, 44742961), (597, 34175528), (604, 33779454), (796, 25631646), (906, 22519636), (1194, 17087764), (1208, 16889727), (1489, 13702344), (1592, 12815823), (1812, 11259818), (2388, 8543882), (2869, 7111464), (2978, 6851172), (3624, 5629909), (3781, 5396136), (4467, 4567448), (4776, 4271941), (5738, 3555732), (5956, 3425586), (7562, 2698068), (8607, 2370488), (8934, 2283724), (11343, 1798712), (11476, 1777866), (11912, 1712793), (15124, 1349034), (17214, 1185244), (17868, 1141862), (22686, 899356), (22952, 888933), (28291, 721176), (30049, 678984), (30248, 674517), (34428, 592622), (35736, 570931), (45372, 449678), (56582, 360588), (60098, 339492), (68856, 296311), (84873, 240392), (90147, 226328), (90744, 224839), (113164, 180294), (120196, 169746)]