20609646512

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{373}}^1$

素因数の和:815

約数の個数: 160

約数和(自身を含む): 49816728192

約数和(自身を除く): 29207081680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 137, 182, 208, 274, 277, 364, 373, 548, 554, 728, 746, 959, 1096, 1108, 1456, 1492, 1781, 1918, 1939, 2192, 2216, 2611, 2984, 3562, 3601, 3836, 3878, 4432, 4849, 5222, 5968, 7124, 7202, 7672, 7756, 9698, 10444, 12467, 14248, 14404, 15344, 15512, 19396, 20888, 24934, 25207, 28496, 28808, 31024, 33943, 37949, 38792, 41776, 49868, 50414, 51101, 57616, 67886, 75898, 77584, 99736, 100828, 102202, 103321, 135772, 151796, 199472, 201656, 204404, 206642, 265643, 271544, 303592, 357707, 403312, 408808, 413284, 493337, 531286, 543088, 607184, 664313, 715414, 723247, 817616, 826568, 986674, 1062572, 1328626, 1343173, 1430828, 1446494, 1653136, 1973348, 2125144, 2657252, 2686346, 2861656, 2892988, 3453359, 3946696, 4250288, 4650191, 5314504, 5372692, 5723312, 5785976, 6906718, 7893392, 9300382, 9402211, 10629008, 10745384, 11571952, 13813436, 14154977, 18600764, 18804422, 21490768, 27626872, 28309954, 37201528, 37608844, 55253744, 56619908, 74403056, 75217688, 99084839, 113239816, 150435376, 184014701, 198169678, 226479632, 368029402, 396339356, 736058804, 792678712, 1288102907, 1472117608, 1585357424, 2576205814, 2944235216, 5152411628, 10304823256, 20609646512]

約数ペア:

[(1, 20609646512), (2, 10304823256), (4, 5152411628), (7, 2944235216), (8, 2576205814), (13, 1585357424), (14, 1472117608), (16, 1288102907), (26, 792678712), (28, 736058804), (52, 396339356), (56, 368029402), (91, 226479632), (104, 198169678), (112, 184014701), (137, 150435376), (182, 113239816), (208, 99084839), (274, 75217688), (277, 74403056), (364, 56619908), (373, 55253744), (548, 37608844), (554, 37201528), (728, 28309954), (746, 27626872), (959, 21490768), (1096, 18804422), (1108, 18600764), (1456, 14154977), (1492, 13813436), (1781, 11571952), (1918, 10745384), (1939, 10629008), (2192, 9402211), (2216, 9300382), (2611, 7893392), (2984, 6906718), (3562, 5785976), (3601, 5723312), (3836, 5372692), (3878, 5314504), (4432, 4650191), (4849, 4250288), (5222, 3946696), (5968, 3453359), (7124, 2892988), (7202, 2861656), (7672, 2686346), (7756, 2657252), (9698, 2125144), (10444, 1973348), (12467, 1653136), (14248, 1446494), (14404, 1430828), (15344, 1343173), (15512, 1328626), (19396, 1062572), (20888, 986674), (24934, 826568), (25207, 817616), (28496, 723247), (28808, 715414), (31024, 664313), (33943, 607184), (37949, 543088), (38792, 531286), (41776, 493337), (49868, 413284), (50414, 408808), (51101, 403312), (57616, 357707), (67886, 303592), (75898, 271544), (77584, 265643), (99736, 206642), (100828, 204404), (102202, 201656), (103321, 199472), (135772, 151796)]