20979471216

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{27271}}^1$

素因数の和:27371

約数の個数: 160

約数和(自身を含む): 62332010496

約数和(自身を除く): 41352539280

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 47, 48, 62, 66, 88, 93, 94, 124, 132, 141, 176, 186, 188, 248, 264, 282, 341, 372, 376, 496, 517, 528, 564, 682, 744, 752, 1023, 1034, 1128, 1364, 1457, 1488, 1551, 2046, 2068, 2256, 2728, 2914, 3102, 4092, 4136, 4371, 5456, 5828, 6204, 8184, 8272, 8742, 11656, 12408, 16027, 16368, 17484, 23312, 24816, 27271, 32054, 34968, 48081, 54542, 64108, 69936, 81813, 96162, 109084, 128216, 163626, 192324, 218168, 256432, 299981, 327252, 384648, 436336, 599962, 654504, 769296, 845401, 899943, 1199924, 1281737, 1309008, 1690802, 1799886, 2399848, 2536203, 2563474, 3381604, 3599772, 3845211, 4799696, 5072406, 5126948, 6763208, 7199544, 7690422, 9299411, 10144812, 10253896, 13526416, 14099107, 14399088, 15380844, 18598822, 20289624, 20507792, 27898233, 28198214, 30761688, 37197644, 39733847, 40579248, 42297321, 55796466, 56396428, 61523376, 74395288, 79467694, 84594642, 111592932, 112792856, 119201541, 148790576, 158935388, 169189284, 223185864, 225585712, 238403082, 317870776, 338378568, 437072317, 446371728, 476806164, 635741552, 676757136, 874144634, 953612328, 1311216951, 1748289268, 1907224656, 2622433902, 3496578536, 5244867804, 6993157072, 10489735608, 20979471216]

約数ペア:

[(1, 20979471216), (2, 10489735608), (3, 6993157072), (4, 5244867804), (6, 3496578536), (8, 2622433902), (11, 1907224656), (12, 1748289268), (16, 1311216951), (22, 953612328), (24, 874144634), (31, 676757136), (33, 635741552), (44, 476806164), (47, 446371728), (48, 437072317), (62, 338378568), (66, 317870776), (88, 238403082), (93, 225585712), (94, 223185864), (124, 169189284), (132, 158935388), (141, 148790576), (176, 119201541), (186, 112792856), (188, 111592932), (248, 84594642), (264, 79467694), (282, 74395288), (341, 61523376), (372, 56396428), (376, 55796466), (496, 42297321), (517, 40579248), (528, 39733847), (564, 37197644), (682, 30761688), (744, 28198214), (752, 27898233), (1023, 20507792), (1034, 20289624), (1128, 18598822), (1364, 15380844), (1457, 14399088), (1488, 14099107), (1551, 13526416), (2046, 10253896), (2068, 10144812), (2256, 9299411), (2728, 7690422), (2914, 7199544), (3102, 6763208), (4092, 5126948), (4136, 5072406), (4371, 4799696), (5456, 3845211), (5828, 3599772), (6204, 3381604), (8184, 2563474), (8272, 2536203), (8742, 2399848), (11656, 1799886), (12408, 1690802), (16027, 1309008), (16368, 1281737), (17484, 1199924), (23312, 899943), (24816, 845401), (27271, 769296), (32054, 654504), (34968, 599962), (48081, 436336), (54542, 384648), (64108, 327252), (69936, 299981), (81813, 256432), (96162, 218168), (109084, 192324), (128216, 163626)]