20791170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 58226688

約数和(自身を除く): 37435518

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 107, 127, 153, 170, 214, 254, 255, 306, 321, 381, 510, 535, 635, 642, 762, 765, 963, 1070, 1143, 1270, 1530, 1605, 1819, 1905, 1926, 2159, 2286, 3210, 3638, 3810, 4318, 4815, 5457, 5715, 6477, 9095, 9630, 10795, 10914, 11430, 12954, 13589, 16371, 18190, 19431, 21590, 27178, 27285, 32385, 32742, 38862, 40767, 54570, 64770, 67945, 81534, 81855, 97155, 122301, 135890, 163710, 194310, 203835, 231013, 244602, 407670, 462026, 611505, 693039, 1155065, 1223010, 1386078, 2079117, 2310130, 3465195, 4158234, 6930390, 10395585, 20791170]

約数ペア:

[(1, 20791170), (2, 10395585), (3, 6930390), (5, 4158234), (6, 3465195), (9, 2310130), (10, 2079117), (15, 1386078), (17, 1223010), (18, 1155065), (30, 693039), (34, 611505), (45, 462026), (51, 407670), (85, 244602), (90, 231013), (102, 203835), (107, 194310), (127, 163710), (153, 135890), (170, 122301), (214, 97155), (254, 81855), (255, 81534), (306, 67945), (321, 64770), (381, 54570), (510, 40767), (535, 38862), (635, 32742), (642, 32385), (762, 27285), (765, 27178), (963, 21590), (1070, 19431), (1143, 18190), (1270, 16371), (1530, 13589), (1605, 12954), (1819, 11430), (1905, 10914), (1926, 10795), (2159, 9630), (2286, 9095), (3210, 6477), (3638, 5715), (3810, 5457), (4318, 4815)]