20742785387528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1\times {\mathrm{5437}}^1$

素因数の和:6535

約数の個数: 128

約数和(自身を含む): 41488329168000

約数和(自身を除く): 20745543780472

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 389, 452, 571, 778, 904, 1142, 1556, 2147, 2284, 3112, 4294, 4568, 5437, 7391, 8588, 10849, 10874, 14782, 17176, 21698, 21748, 29564, 43396, 43496, 43957, 59128, 64523, 86792, 87914, 103303, 129046, 175828, 206606, 222119, 258092, 351656, 413212, 444238, 516184, 614381, 826424, 835183, 888476, 1225937, 1228762, 1670366, 1776952, 2114993, 2451874, 2457524, 3104527, 3340732, 4220261, 4229986, 4903748, 4915048, 6209054, 6681464, 8440522, 8459972, 9807496, 11673239, 12418108, 16881044, 16919944, 23346478, 24836216, 25099447, 33762088, 40184867, 46692956, 50198894, 58986013, 80369734, 93385912, 100397788, 117972026, 160739468, 200795576, 235944052, 238994209, 321478936, 350811551, 471888104, 476889493, 477988418, 701623102, 953778986, 955976836, 1207661003, 1403246204, 1907557972, 1911953672, 2415322006, 2806492408, 3815115944, 4540889971, 4830644012, 6665419469, 9081779942, 9661288024, 13330838938, 18163559884, 22945559057, 26661677876, 36327119768, 45891118114, 53323355752, 91782236228, 136465693339, 183564472456, 272931386678, 545862773356, 1091725546712, 2592848173441, 5185696346882, 10371392693764, 20742785387528]

約数ペア:

[(1, 20742785387528), (2, 10371392693764), (4, 5185696346882), (8, 2592848173441), (19, 1091725546712), (38, 545862773356), (76, 272931386678), (113, 183564472456), (152, 136465693339), (226, 91782236228), (389, 53323355752), (452, 45891118114), (571, 36327119768), (778, 26661677876), (904, 22945559057), (1142, 18163559884), (1556, 13330838938), (2147, 9661288024), (2284, 9081779942), (3112, 6665419469), (4294, 4830644012), (4568, 4540889971), (5437, 3815115944), (7391, 2806492408), (8588, 2415322006), (10849, 1911953672), (10874, 1907557972), (14782, 1403246204), (17176, 1207661003), (21698, 955976836), (21748, 953778986), (29564, 701623102), (43396, 477988418), (43496, 476889493), (43957, 471888104), (59128, 350811551), (64523, 321478936), (86792, 238994209), (87914, 235944052), (103303, 200795576), (129046, 160739468), (175828, 117972026), (206606, 100397788), (222119, 93385912), (258092, 80369734), (351656, 58986013), (413212, 50198894), (444238, 46692956), (516184, 40184867), (614381, 33762088), (826424, 25099447), (835183, 24836216), (888476, 23346478), (1225937, 16919944), (1228762, 16881044), (1670366, 12418108), (1776952, 11673239), (2114993, 9807496), (2451874, 8459972), (2457524, 8440522), (3104527, 6681464), (3340732, 6209054), (4220261, 4915048), (4229986, 4903748)]