20042880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 256

約数和(自身を含む): 76083840

約数和(自身を除く): 56040960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 64, 65, 66, 73, 78, 80, 88, 96, 104, 110, 120, 128, 130, 132, 143, 146, 156, 160, 165, 176, 192, 195, 208, 219, 220, 240, 260, 264, 286, 292, 312, 320, 330, 352, 365, 384, 390, 416, 429, 438, 440, 480, 520, 528, 572, 584, 624, 640, 660, 704, 715, 730, 780, 803, 832, 858, 876, 880, 949, 960, 1040, 1056, 1095, 1144, 1168, 1248, 1320, 1408, 1430, 1460, 1560, 1606, 1664, 1716, 1752, 1760, 1898, 1920, 2080, 2112, 2145, 2190, 2288, 2336, 2409, 2496, 2640, 2847, 2860, 2920, 3120, 3212, 3432, 3504, 3520, 3796, 4015, 4160, 4224, 4290, 4380, 4576, 4672, 4745, 4818, 4992, 5280, 5694, 5720, 5840, 6240, 6424, 6864, 7008, 7040, 7592, 8030, 8320, 8580, 8760, 9152, 9344, 9490, 9636, 10439, 10560, 11388, 11440, 11680, 12045, 12480, 12848, 13728, 14016, 14235, 15184, 16060, 17160, 17520, 18304, 18980, 19272, 20878, 21120, 22776, 22880, 23360, 24090, 24960, 25696, 27456, 28032, 28470, 30368, 31317, 32120, 34320, 35040, 37960, 38544, 41756, 45552, 45760, 46720, 48180, 51392, 52195, 54912, 56940, 60736, 62634, 64240, 68640, 70080, 75920, 77088, 83512, 91104, 91520, 96360, 102784, 104390, 113880, 121472, 125268, 128480, 137280, 140160, 151840, 154176, 156585, 167024, 182208, 192720, 208780, 227760, 250536, 256960, 274560, 303680, 308352, 313170, 334048, 364416, 385440, 417560, 455520, 501072, 513920, 607360, 626340, 668096, 770880, 835120, 911040, 1002144, 1252680, 1336192, 1541760, 1670240, 1822080, 2004288, 2505360, 3340480, 4008576, 5010720, 6680960, 10021440, 20042880]

約数ペア:

[(1, 20042880), (2, 10021440), (3, 6680960), (4, 5010720), (5, 4008576), (6, 3340480), (8, 2505360), (10, 2004288), (11, 1822080), (12, 1670240), (13, 1541760), (15, 1336192), (16, 1252680), (20, 1002144), (22, 911040), (24, 835120), (26, 770880), (30, 668096), (32, 626340), (33, 607360), (39, 513920), (40, 501072), (44, 455520), (48, 417560), (52, 385440), (55, 364416), (60, 334048), (64, 313170), (65, 308352), (66, 303680), (73, 274560), (78, 256960), (80, 250536), (88, 227760), (96, 208780), (104, 192720), (110, 182208), (120, 167024), (128, 156585), (130, 154176), (132, 151840), (143, 140160), (146, 137280), (156, 128480), (160, 125268), (165, 121472), (176, 113880), (192, 104390), (195, 102784), (208, 96360), (219, 91520), (220, 91104), (240, 83512), (260, 77088), (264, 75920), (286, 70080), (292, 68640), (312, 64240), (320, 62634), (330, 60736), (352, 56940), (365, 54912), (384, 52195), (390, 51392), (416, 48180), (429, 46720), (438, 45760), (440, 45552), (480, 41756), (520, 38544), (528, 37960), (572, 35040), (584, 34320), (624, 32120), (640, 31317), (660, 30368), (704, 28470), (715, 28032), (730, 27456), (780, 25696), (803, 24960), (832, 24090), (858, 23360), (876, 22880), (880, 22776), (949, 21120), (960, 20878), (1040, 19272), (1056, 18980), (1095, 18304), (1144, 17520), (1168, 17160), (1248, 16060), (1320, 15184), (1408, 14235), (1430, 14016), (1460, 13728), (1560, 12848), (1606, 12480), (1664, 12045), (1716, 11680), (1752, 11440), (1760, 11388), (1898, 10560), (1920, 10439), (2080, 9636), (2112, 9490), (2145, 9344), (2190, 9152), (2288, 8760), (2336, 8580), (2409, 8320), (2496, 8030), (2640, 7592), (2847, 7040), (2860, 7008), (2920, 6864), (3120, 6424), (3212, 6240), (3432, 5840), (3504, 5720), (3520, 5694), (3796, 5280), (4015, 4992), (4160, 4818), (4224, 4745), (4290, 4672), (4380, 4576)]