20172959884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{2753}}^1$

素因数の和:3455

約数の個数: 96

約数和(自身を含む): 45290036736

約数和(自身を除く): 25117076852

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 643, 814, 1036, 1286, 1628, 2572, 2753, 2849, 4501, 5506, 5698, 7073, 9002, 11012, 11396, 14146, 18004, 19271, 23791, 28292, 30283, 38542, 47582, 49511, 60566, 77084, 95164, 99022, 101861, 121132, 166537, 198044, 203722, 211981, 261701, 333074, 407444, 423962, 523402, 666148, 713027, 847924, 1046804, 1120471, 1426054, 1770179, 1831907, 2240942, 2852108, 3540358, 3663814, 4481884, 7080716, 7327628, 7843297, 12391253, 15686594, 19471969, 24782506, 31373188, 38943938, 49565012, 65496623, 77887876, 130993246, 136303783, 261986492, 272607566, 458476361, 545215132, 720462853, 916952722, 1440925706, 1833905444, 2881851412, 5043239971, 10086479942, 20172959884]

約数ペア:

[(1, 20172959884), (2, 10086479942), (4, 5043239971), (7, 2881851412), (11, 1833905444), (14, 1440925706), (22, 916952722), (28, 720462853), (37, 545215132), (44, 458476361), (74, 272607566), (77, 261986492), (148, 136303783), (154, 130993246), (259, 77887876), (308, 65496623), (407, 49565012), (518, 38943938), (643, 31373188), (814, 24782506), (1036, 19471969), (1286, 15686594), (1628, 12391253), (2572, 7843297), (2753, 7327628), (2849, 7080716), (4501, 4481884), (5506, 3663814), (5698, 3540358), (7073, 2852108), (9002, 2240942), (11012, 1831907), (11396, 1770179), (14146, 1426054), (18004, 1120471), (19271, 1046804), (23791, 847924), (28292, 713027), (30283, 666148), (38542, 523402), (47582, 423962), (49511, 407444), (60566, 333074), (77084, 261701), (95164, 211981), (99022, 203722), (101861, 198044), (121132, 166537)]