20176893352

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1\times {\mathrm{739}}^1$

素因数の和:1239

約数の個数: 128

約数和(自身を含む): 47738880000

約数和(自身を除く): 27561986648

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 127, 154, 254, 308, 349, 508, 616, 698, 739, 889, 1016, 1396, 1397, 1478, 1778, 2443, 2792, 2794, 2956, 3556, 3839, 4886, 5173, 5588, 5912, 7112, 7678, 8129, 9772, 9779, 10346, 11176, 15356, 16258, 19544, 19558, 20692, 26873, 30712, 32516, 39116, 41384, 44323, 53746, 56903, 65032, 78232, 88646, 93853, 107492, 113806, 177292, 187706, 214984, 227612, 257911, 310261, 354584, 375412, 455224, 487553, 515822, 620522, 656971, 750824, 975106, 1031644, 1032383, 1241044, 1313942, 1805377, 1950212, 2063288, 2064766, 2482088, 2627884, 2837021, 3412871, 3610754, 3900424, 4129532, 5255768, 5674042, 6825742, 7221508, 7226681, 8259064, 11348084, 13651484, 14443016, 14453362, 19859147, 22696168, 27302968, 28906724, 32754697, 39718294, 57813448, 65509394, 79436588, 131018788, 158873176, 229282879, 262037576, 360301667, 458565758, 720603334, 917131516, 1441206668, 1834263032, 2522111669, 2882413336, 5044223338, 10088446676, 20176893352]

約数ペア:

[(1, 20176893352), (2, 10088446676), (4, 5044223338), (7, 2882413336), (8, 2522111669), (11, 1834263032), (14, 1441206668), (22, 917131516), (28, 720603334), (44, 458565758), (56, 360301667), (77, 262037576), (88, 229282879), (127, 158873176), (154, 131018788), (254, 79436588), (308, 65509394), (349, 57813448), (508, 39718294), (616, 32754697), (698, 28906724), (739, 27302968), (889, 22696168), (1016, 19859147), (1396, 14453362), (1397, 14443016), (1478, 13651484), (1778, 11348084), (2443, 8259064), (2792, 7226681), (2794, 7221508), (2956, 6825742), (3556, 5674042), (3839, 5255768), (4886, 4129532), (5173, 3900424), (5588, 3610754), (5912, 3412871), (7112, 2837021), (7678, 2627884), (8129, 2482088), (9772, 2064766), (9779, 2063288), (10346, 1950212), (11176, 1805377), (15356, 1313942), (16258, 1241044), (19544, 1032383), (19558, 1031644), (20692, 975106), (26873, 750824), (30712, 656971), (32516, 620522), (39116, 515822), (41384, 487553), (44323, 455224), (53746, 375412), (56903, 354584), (65032, 310261), (78232, 257911), (88646, 227612), (93853, 214984), (107492, 187706), (113806, 177292)]