20700487360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1783}}^1$

素因数の和:1951

約数の個数: 224

約数和(自身を含む): 57943406592

約数和(自身を除く): 37242919232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 73, 80, 112, 140, 142, 146, 160, 224, 280, 284, 292, 320, 355, 365, 448, 497, 511, 560, 568, 584, 710, 730, 994, 1022, 1120, 1136, 1168, 1420, 1460, 1783, 1988, 2044, 2240, 2272, 2336, 2485, 2555, 2840, 2920, 3566, 3976, 4088, 4544, 4672, 4970, 5110, 5183, 5680, 5840, 7132, 7952, 8176, 8915, 9940, 10220, 10366, 11360, 11680, 12481, 14264, 15904, 16352, 17830, 19880, 20440, 20732, 22720, 23360, 24962, 25915, 28528, 31808, 32704, 35660, 36281, 39760, 40880, 41464, 49924, 51830, 57056, 62405, 71320, 72562, 79520, 81760, 82928, 99848, 103660, 114112, 124810, 126593, 130159, 142640, 145124, 159040, 163520, 165856, 181405, 199696, 207320, 249620, 253186, 260318, 285280, 290248, 331712, 362810, 399392, 414640, 499240, 506372, 520636, 570560, 580496, 632965, 650795, 725620, 798784, 829280, 886151, 911113, 998480, 1012744, 1041272, 1160992, 1265930, 1301590, 1451240, 1658560, 1772302, 1822226, 1996960, 2025488, 2082544, 2321984, 2531860, 2603180, 2902480, 3544604, 3644452, 3993920, 4050976, 4165088, 4430755, 4555565, 5063720, 5206360, 5804960, 7089208, 7288904, 8101952, 8330176, 8861510, 9111130, 9241289, 10127440, 10412720, 11609920, 14178416, 14577808, 17723020, 18222260, 18482578, 20254880, 20825440, 28356832, 29155616, 35446040, 36444520, 36965156, 40509760, 41650880, 46206445, 56713664, 58311232, 64689023, 70892080, 72889040, 73930312, 92412890, 129378046, 141784160, 145778080, 147860624, 184825780, 258756092, 283568320, 291556160, 295721248, 323445115, 369651560, 517512184, 591442496, 646890230, 739303120, 1035024368, 1293780460, 1478606240, 2070048736, 2587560920, 2957212480, 4140097472, 5175121840, 10350243680, 20700487360]

約数ペア:

[(1, 20700487360), (2, 10350243680), (4, 5175121840), (5, 4140097472), (7, 2957212480), (8, 2587560920), (10, 2070048736), (14, 1478606240), (16, 1293780460), (20, 1035024368), (28, 739303120), (32, 646890230), (35, 591442496), (40, 517512184), (56, 369651560), (64, 323445115), (70, 295721248), (71, 291556160), (73, 283568320), (80, 258756092), (112, 184825780), (140, 147860624), (142, 145778080), (146, 141784160), (160, 129378046), (224, 92412890), (280, 73930312), (284, 72889040), (292, 70892080), (320, 64689023), (355, 58311232), (365, 56713664), (448, 46206445), (497, 41650880), (511, 40509760), (560, 36965156), (568, 36444520), (584, 35446040), (710, 29155616), (730, 28356832), (994, 20825440), (1022, 20254880), (1120, 18482578), (1136, 18222260), (1168, 17723020), (1420, 14577808), (1460, 14178416), (1783, 11609920), (1988, 10412720), (2044, 10127440), (2240, 9241289), (2272, 9111130), (2336, 8861510), (2485, 8330176), (2555, 8101952), (2840, 7288904), (2920, 7089208), (3566, 5804960), (3976, 5206360), (4088, 5063720), (4544, 4555565), (4672, 4430755), (4970, 4165088), (5110, 4050976), (5183, 3993920), (5680, 3644452), (5840, 3544604), (7132, 2902480), (7952, 2603180), (8176, 2531860), (8915, 2321984), (9940, 2082544), (10220, 2025488), (10366, 1996960), (11360, 1822226), (11680, 1772302), (12481, 1658560), (14264, 1451240), (15904, 1301590), (16352, 1265930), (17830, 1160992), (19880, 1041272), (20440, 1012744), (20732, 998480), (22720, 911113), (23360, 886151), (24962, 829280), (25915, 798784), (28528, 725620), (31808, 650795), (32704, 632965), (35660, 580496), (36281, 570560), (39760, 520636), (40880, 506372), (41464, 499240), (49924, 414640), (51830, 399392), (57056, 362810), (62405, 331712), (71320, 290248), (72562, 285280), (79520, 260318), (81760, 253186), (82928, 249620), (99848, 207320), (103660, 199696), (114112, 181405), (124810, 165856), (126593, 163520), (130159, 159040), (142640, 145124)]