20628910568

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:296

約数の個数: 192

約数和(自身を含む): 47616336000

約数和(自身を除く): 26987425432

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 59, 62, 73, 89, 118, 124, 146, 178, 217, 236, 248, 292, 356, 413, 434, 472, 511, 584, 623, 712, 826, 868, 961, 1022, 1246, 1652, 1736, 1829, 1922, 2044, 2263, 2492, 2759, 3304, 3658, 3844, 4088, 4307, 4526, 4984, 5251, 5518, 6497, 6727, 7316, 7688, 8614, 9052, 10502, 11036, 12803, 12994, 13454, 14632, 15841, 17228, 18104, 19313, 21004, 22072, 25606, 25988, 26908, 30149, 31682, 34456, 36757, 38626, 42008, 45479, 51212, 51976, 53816, 56699, 60298, 63364, 70153, 73514, 77252, 85529, 90958, 102424, 113398, 120596, 126728, 133517, 140306, 147028, 154504, 162781, 171058, 181916, 201407, 226796, 241192, 267034, 280612, 294056, 325562, 342116, 363832, 383323, 396893, 402814, 453592, 491071, 534068, 561224, 598703, 651124, 684232, 766646, 793786, 805628, 934619, 982142, 1068136, 1139467, 1197406, 1302248, 1409849, 1533292, 1587572, 1611256, 1869238, 1964284, 2278934, 2394812, 2683261, 2819698, 3066584, 3175144, 3738476, 3928568, 4139027, 4557868, 4789624, 5046211, 5366522, 5639396, 6243617, 7476952, 8278054, 9115736, 10092422, 10733044, 11278792, 11883013, 12487234, 16556108, 20184844, 21466088, 23766026, 24974468, 28973189, 33112216, 35323477, 40369688, 43705319, 47532052, 49948936, 57946378, 70646954, 83181091, 87410638, 95064104, 115892756, 141293908, 166362182, 174821276, 231785512, 282587816, 332724364, 349642552, 368373403, 665448728, 736746806, 1473493612, 2578613821, 2946987224, 5157227642, 10314455284, 20628910568]

約数ペア:

[(1, 20628910568), (2, 10314455284), (4, 5157227642), (7, 2946987224), (8, 2578613821), (14, 1473493612), (28, 736746806), (31, 665448728), (56, 368373403), (59, 349642552), (62, 332724364), (73, 282587816), (89, 231785512), (118, 174821276), (124, 166362182), (146, 141293908), (178, 115892756), (217, 95064104), (236, 87410638), (248, 83181091), (292, 70646954), (356, 57946378), (413, 49948936), (434, 47532052), (472, 43705319), (511, 40369688), (584, 35323477), (623, 33112216), (712, 28973189), (826, 24974468), (868, 23766026), (961, 21466088), (1022, 20184844), (1246, 16556108), (1652, 12487234), (1736, 11883013), (1829, 11278792), (1922, 10733044), (2044, 10092422), (2263, 9115736), (2492, 8278054), (2759, 7476952), (3304, 6243617), (3658, 5639396), (3844, 5366522), (4088, 5046211), (4307, 4789624), (4526, 4557868), (4984, 4139027), (5251, 3928568), (5518, 3738476), (6497, 3175144), (6727, 3066584), (7316, 2819698), (7688, 2683261), (8614, 2394812), (9052, 2278934), (10502, 1964284), (11036, 1869238), (12803, 1611256), (12994, 1587572), (13454, 1533292), (14632, 1409849), (15841, 1302248), (17228, 1197406), (18104, 1139467), (19313, 1068136), (21004, 982142), (22072, 934619), (25606, 805628), (25988, 793786), (26908, 766646), (30149, 684232), (31682, 651124), (34456, 598703), (36757, 561224), (38626, 534068), (42008, 491071), (45479, 453592), (51212, 402814), (51976, 396893), (53816, 383323), (56699, 363832), (60298, 342116), (63364, 325562), (70153, 294056), (73514, 280612), (77252, 267034), (85529, 241192), (90958, 226796), (102424, 201407), (113398, 181916), (120596, 171058), (126728, 162781), (133517, 154504), (140306, 147028)]