20659759120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257989}}^1$

素因数の和:258033

約数の個数: 160

約数和(自身を含む): 64493372160

約数和(自身を除く): 43833613040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 2002, 2288, 2860, 3080, 3640, 4004, 5005, 5720, 6160, 7280, 8008, 10010, 11440, 16016, 20020, 40040, 80080, 257989, 515978, 1031956, 1289945, 1805923, 2063912, 2579890, 2837879, 3353857, 3611846, 4127824, 5159780, 5675758, 6707714, 7223692, 9029615, 10319560, 11351516, 13415428, 14189395, 14447384, 16769285, 18059230, 19865153, 20639120, 22703032, 23476999, 26830856, 28378790, 28894768, 33538570, 36118460, 36892427, 39730306, 45406064, 46953998, 53661712, 56757580, 67077140, 72236920, 73784854, 79460612, 93907996, 99325765, 113515160, 117384995, 134154280, 144473840, 147569708, 158921224, 184462135, 187815992, 198651530, 227030320, 234769990, 258246989, 268308560, 295139416, 317842448, 368924270, 375631984, 397303060, 469539980, 516493978, 590278832, 737848540, 794606120, 939079960, 1032987956, 1291234945, 1475697080, 1589212240, 1878159920, 2065975912, 2582469890, 2951394160, 4131951824, 5164939780, 10329879560, 20659759120]

約数ペア:

[(1, 20659759120), (2, 10329879560), (4, 5164939780), (5, 4131951824), (7, 2951394160), (8, 2582469890), (10, 2065975912), (11, 1878159920), (13, 1589212240), (14, 1475697080), (16, 1291234945), (20, 1032987956), (22, 939079960), (26, 794606120), (28, 737848540), (35, 590278832), (40, 516493978), (44, 469539980), (52, 397303060), (55, 375631984), (56, 368924270), (65, 317842448), (70, 295139416), (77, 268308560), (80, 258246989), (88, 234769990), (91, 227030320), (104, 198651530), (110, 187815992), (112, 184462135), (130, 158921224), (140, 147569708), (143, 144473840), (154, 134154280), (176, 117384995), (182, 113515160), (208, 99325765), (220, 93907996), (260, 79460612), (280, 73784854), (286, 72236920), (308, 67077140), (364, 56757580), (385, 53661712), (440, 46953998), (455, 45406064), (520, 39730306), (560, 36892427), (572, 36118460), (616, 33538570), (715, 28894768), (728, 28378790), (770, 26830856), (880, 23476999), (910, 22703032), (1001, 20639120), (1040, 19865153), (1144, 18059230), (1232, 16769285), (1430, 14447384), (1456, 14189395), (1540, 13415428), (1820, 11351516), (2002, 10319560), (2288, 9029615), (2860, 7223692), (3080, 6707714), (3640, 5675758), (4004, 5159780), (5005, 4127824), (5720, 3611846), (6160, 3353857), (7280, 2837879), (8008, 2579890), (10010, 2063912), (11440, 1805923), (16016, 1289945), (20020, 1031956), (40040, 515978), (80080, 257989)]