20494320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1143

約数の個数: 160

約数和(自身を含む): 79280640

約数和(自身を除く): 58786320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1109, 1155, 1232, 1320, 1540, 1680, 1848, 2218, 2310, 2640, 3080, 3327, 3696, 4436, 4620, 5545, 6160, 6654, 7763, 8872, 9240, 11090, 12199, 13308, 15526, 16635, 17744, 18480, 22180, 23289, 24398, 26616, 31052, 33270, 36597, 38815, 44360, 46578, 48796, 53232, 60995, 62104, 66540, 73194, 77630, 85393, 88720, 93156, 97592, 116445, 121990, 124208, 133080, 146388, 155260, 170786, 182985, 186312, 195184, 232890, 243980, 256179, 266160, 292776, 310520, 341572, 365970, 372624, 426965, 465780, 487960, 512358, 585552, 621040, 683144, 731940, 853930, 931560, 975920, 1024716, 1280895, 1366288, 1463880, 1707860, 1863120, 2049432, 2561790, 2927760, 3415720, 4098864, 5123580, 6831440, 10247160, 20494320]

約数ペア:

[(1, 20494320), (2, 10247160), (3, 6831440), (4, 5123580), (5, 4098864), (6, 3415720), (7, 2927760), (8, 2561790), (10, 2049432), (11, 1863120), (12, 1707860), (14, 1463880), (15, 1366288), (16, 1280895), (20, 1024716), (21, 975920), (22, 931560), (24, 853930), (28, 731940), (30, 683144), (33, 621040), (35, 585552), (40, 512358), (42, 487960), (44, 465780), (48, 426965), (55, 372624), (56, 365970), (60, 341572), (66, 310520), (70, 292776), (77, 266160), (80, 256179), (84, 243980), (88, 232890), (105, 195184), (110, 186312), (112, 182985), (120, 170786), (132, 155260), (140, 146388), (154, 133080), (165, 124208), (168, 121990), (176, 116445), (210, 97592), (220, 93156), (231, 88720), (240, 85393), (264, 77630), (280, 73194), (308, 66540), (330, 62104), (336, 60995), (385, 53232), (420, 48796), (440, 46578), (462, 44360), (528, 38815), (560, 36597), (616, 33270), (660, 31052), (770, 26616), (840, 24398), (880, 23289), (924, 22180), (1109, 18480), (1155, 17744), (1232, 16635), (1320, 15526), (1540, 13308), (1680, 12199), (1848, 11090), (2218, 9240), (2310, 8872), (2640, 7763), (3080, 6654), (3327, 6160), (3696, 5545), (4436, 4620)]