20103160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 57853440

約数和(自身を除く): 37750280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 107, 110, 122, 140, 154, 214, 220, 244, 280, 305, 308, 385, 427, 428, 440, 488, 535, 610, 616, 671, 749, 770, 854, 856, 1070, 1177, 1220, 1342, 1498, 1540, 1708, 2135, 2140, 2354, 2440, 2684, 2996, 3080, 3355, 3416, 3745, 4270, 4280, 4697, 4708, 5368, 5885, 5992, 6527, 6710, 7490, 8239, 8540, 9394, 9416, 11770, 13054, 13420, 14980, 16478, 17080, 18788, 23485, 23540, 26108, 26840, 29960, 32635, 32956, 37576, 41195, 45689, 46970, 47080, 52216, 65270, 65912, 71797, 82390, 91378, 93940, 130540, 143594, 164780, 182756, 187880, 228445, 261080, 287188, 329560, 358985, 365512, 456890, 502579, 574376, 717970, 913780, 1005158, 1435940, 1827560, 2010316, 2512895, 2871880, 4020632, 5025790, 10051580, 20103160]

約数ペア:

[(1, 20103160), (2, 10051580), (4, 5025790), (5, 4020632), (7, 2871880), (8, 2512895), (10, 2010316), (11, 1827560), (14, 1435940), (20, 1005158), (22, 913780), (28, 717970), (35, 574376), (40, 502579), (44, 456890), (55, 365512), (56, 358985), (61, 329560), (70, 287188), (77, 261080), (88, 228445), (107, 187880), (110, 182756), (122, 164780), (140, 143594), (154, 130540), (214, 93940), (220, 91378), (244, 82390), (280, 71797), (305, 65912), (308, 65270), (385, 52216), (427, 47080), (428, 46970), (440, 45689), (488, 41195), (535, 37576), (610, 32956), (616, 32635), (671, 29960), (749, 26840), (770, 26108), (854, 23540), (856, 23485), (1070, 18788), (1177, 17080), (1220, 16478), (1342, 14980), (1498, 13420), (1540, 13054), (1708, 11770), (2135, 9416), (2140, 9394), (2354, 8540), (2440, 8239), (2684, 7490), (2996, 6710), (3080, 6527), (3355, 5992), (3416, 5885), (3745, 5368), (4270, 4708), (4280, 4697)]