20656378512

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{56453}}^1$

素因数の和:56499

約数の個数: 240

約数和(自身を含む): 74483149440

約数和(自身を除く): 53826770928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 112, 121, 126, 132, 144, 154, 168, 176, 189, 198, 216, 231, 242, 252, 264, 297, 308, 336, 363, 378, 396, 432, 462, 484, 504, 528, 594, 616, 693, 726, 756, 792, 847, 924, 968, 1008, 1089, 1188, 1232, 1386, 1452, 1512, 1584, 1694, 1848, 1936, 2079, 2178, 2376, 2541, 2772, 2904, 3024, 3267, 3388, 3696, 4158, 4356, 4752, 5082, 5544, 5808, 6534, 6776, 7623, 8316, 8712, 10164, 11088, 13068, 13552, 15246, 16632, 17424, 20328, 22869, 26136, 30492, 33264, 40656, 45738, 52272, 56453, 60984, 91476, 112906, 121968, 169359, 182952, 225812, 338718, 365904, 395171, 451624, 508077, 620983, 677436, 790342, 903248, 1016154, 1185513, 1241966, 1354872, 1524231, 1580684, 1862949, 2032308, 2371026, 2483932, 2709744, 3048462, 3161368, 3556539, 3725898, 4064616, 4346881, 4742052, 4967864, 5588847, 6096924, 6322736, 6830813, 7113078, 7451796, 8129232, 8693762, 9484104, 9935728, 10669617, 11177694, 12193848, 13040643, 13661626, 14226156, 14903592, 16766541, 17387524, 18968208, 20492439, 21339234, 22355388, 24387696, 26081286, 27323252, 28452312, 29807184, 33533082, 34775048, 39121929, 40984878, 42678468, 44710776, 47815691, 52162572, 54646504, 56904624, 61477317, 67066164, 69550096, 78243858, 81969756, 85356936, 89421552, 95631382, 104325144, 109293008, 117365787, 122954634, 134132328, 143447073, 156487716, 163939512, 170713872, 184431951, 191262764, 208650288, 234731574, 245909268, 268264656, 286894146, 312975432, 327879024, 368863902, 382525528, 430341219, 469463148, 491818536, 573788292, 625950864, 737727804, 765051056, 860682438, 938926296, 983637072, 1147576584, 1291023657, 1475455608, 1721364876, 1877852592, 2295153168, 2582047314, 2950911216, 3442729752, 5164094628, 6885459504, 10328189256, 20656378512]

約数ペア:

[(1, 20656378512), (2, 10328189256), (3, 6885459504), (4, 5164094628), (6, 3442729752), (7, 2950911216), (8, 2582047314), (9, 2295153168), (11, 1877852592), (12, 1721364876), (14, 1475455608), (16, 1291023657), (18, 1147576584), (21, 983637072), (22, 938926296), (24, 860682438), (27, 765051056), (28, 737727804), (33, 625950864), (36, 573788292), (42, 491818536), (44, 469463148), (48, 430341219), (54, 382525528), (56, 368863902), (63, 327879024), (66, 312975432), (72, 286894146), (77, 268264656), (84, 245909268), (88, 234731574), (99, 208650288), (108, 191262764), (112, 184431951), (121, 170713872), (126, 163939512), (132, 156487716), (144, 143447073), (154, 134132328), (168, 122954634), (176, 117365787), (189, 109293008), (198, 104325144), (216, 95631382), (231, 89421552), (242, 85356936), (252, 81969756), (264, 78243858), (297, 69550096), (308, 67066164), (336, 61477317), (363, 56904624), (378, 54646504), (396, 52162572), (432, 47815691), (462, 44710776), (484, 42678468), (504, 40984878), (528, 39121929), (594, 34775048), (616, 33533082), (693, 29807184), (726, 28452312), (756, 27323252), (792, 26081286), (847, 24387696), (924, 22355388), (968, 21339234), (1008, 20492439), (1089, 18968208), (1188, 17387524), (1232, 16766541), (1386, 14903592), (1452, 14226156), (1512, 13661626), (1584, 13040643), (1694, 12193848), (1848, 11177694), (1936, 10669617), (2079, 9935728), (2178, 9484104), (2376, 8693762), (2541, 8129232), (2772, 7451796), (2904, 7113078), (3024, 6830813), (3267, 6322736), (3388, 6096924), (3696, 5588847), (4158, 4967864), (4356, 4742052), (4752, 4346881), (5082, 4064616), (5544, 3725898), (5808, 3556539), (6534, 3161368), (6776, 3048462), (7623, 2709744), (8316, 2483932), (8712, 2371026), (10164, 2032308), (11088, 1862949), (13068, 1580684), (13552, 1524231), (15246, 1354872), (16632, 1241966), (17424, 1185513), (20328, 1016154), (22869, 903248), (26136, 790342), (30492, 677436), (33264, 620983), (40656, 508077), (45738, 451624), (52272, 395171), (56453, 365904), (60984, 338718), (91476, 225812), (112906, 182952), (121968, 169359)]