20161095908

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 37844773344

約数和(自身を除く): 17683677436

約数列:

[1, 2, 4, 37, 53, 73, 74, 106, 137, 146, 148, 212, 257, 274, 292, 514, 548, 1028, 1961, 2701, 3869, 3922, 5069, 5402, 7261, 7738, 7844, 9509, 10001, 10138, 10804, 13621, 14522, 15476, 18761, 19018, 20002, 20276, 27242, 29044, 35209, 37522, 38036, 40004, 54484, 70418, 75044, 140836, 143153, 268657, 286306, 370037, 503977, 530053, 537314, 572612, 694157, 740074, 994333, 1007954, 1060106, 1074628, 1302733, 1388314, 1480148, 1866077, 1988666, 2015908, 2120212, 2570257, 2605466, 2776628, 3732154, 3977332, 5140514, 5210932, 7464308, 10281028, 19611961, 36790321, 39223922, 69044849, 73580642, 78447844, 95099509, 136223621, 138089698, 147161284, 190199018, 272447242, 276179396, 380398036, 544894484, 5040273977, 10080547954, 20161095908]

約数ペア:

[(1, 20161095908), (2, 10080547954), (4, 5040273977), (37, 544894484), (53, 380398036), (73, 276179396), (74, 272447242), (106, 190199018), (137, 147161284), (146, 138089698), (148, 136223621), (212, 95099509), (257, 78447844), (274, 73580642), (292, 69044849), (514, 39223922), (548, 36790321), (1028, 19611961), (1961, 10281028), (2701, 7464308), (3869, 5210932), (3922, 5140514), (5069, 3977332), (5402, 3732154), (7261, 2776628), (7738, 2605466), (7844, 2570257), (9509, 2120212), (10001, 2015908), (10138, 1988666), (10804, 1866077), (13621, 1480148), (14522, 1388314), (15476, 1302733), (18761, 1074628), (19018, 1060106), (20002, 1007954), (20276, 994333), (27242, 740074), (29044, 694157), (35209, 572612), (37522, 537314), (38036, 530053), (40004, 503977), (54484, 370037), (70418, 286306), (75044, 268657), (140836, 143153)]