20554894187520

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{3593}}^1$

素因数の和:4337

約数の個数: 1056

約数和(自身を含む): 83573646794496

約数和(自身を除く): 63018752606976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 98, 105, 110, 112, 120, 128, 132, 140, 147, 154, 160, 165, 168, 176, 192, 196, 210, 220, 224, 231, 240, 245, 256, 264, 280, 294, 308, 320, 330, 336, 352, 384, 385, 392, 420, 440, 448, 462, 480, 490, 512, 528, 539, 560, 588, 616, 640, 660, 672, 691, 704, 735, 768, 770, 784, 840, 880, 896, 924, 960, 980, 1024, 1056, 1078, 1120, 1155, 1176, 1232, 1280, 1320, 1344, 1382, 1408, 1470, 1536, 1540, 1568, 1617, 1680, 1760, 1792, 1848, 1920, 1960, 2073, 2112, 2156, 2240, 2310, 2352, 2464, 2560, 2640, 2688, 2695, 2764, 2816, 2940, 3072, 3080, 3136, 3234, 3360, 3455, 3520, 3584, 3593, 3696, 3840, 3920, 4146, 4224, 4312, 4480, 4620, 4704, 4837, 4928, 5120, 5280, 5376, 5390, 5528, 5632, 5880, 6160, 6272, 6468, 6720, 6910, 7040, 7168, 7186, 7392, 7601, 7680, 7840, 8085, 8292, 8448, 8624, 8960, 9240, 9408, 9674, 9856, 10365, 10560, 10752, 10779, 10780, 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約数ペア:

[(1, 20554894187520), (2, 10277447093760), (3, 6851631395840), (4, 5138723546880), (5, 4110978837504), (6, 3425815697920), (7, 2936413455360), (8, 2569361773440), (10, 2055489418752), (11, 1868626744320), (12, 1712907848960), (14, 1468206727680), (15, 1370326279168), (16, 1284680886720), (20, 1027744709376), (21, 978804485120), (22, 934313372160), (24, 856453924480), (28, 734103363840), (30, 685163139584), (32, 642340443360), (33, 622875581440), (35, 587282691072), (40, 513872354688), (42, 489402242560), (44, 467156686080), (48, 428226962240), (49, 419487636480), (55, 373725348864), (56, 367051681920), (60, 342581569792), (64, 321170221680), (66, 311437790720), (70, 293641345536), (77, 266946677760), (80, 256936177344), (84, 244701121280), (88, 233578343040), (96, 214113481120), (98, 209743818240), (105, 195760897024), (110, 186862674432), (112, 183525840960), (120, 171290784896), (128, 160585110840), (132, 155718895360), (140, 146820672768), (147, 139829212160), (154, 133473338880), 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