20642179110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{53047}}^1$

素因数の和:53190

約数の個数: 128

約数和(自身を含む): 60500183040

約数和(自身を除く): 39858003930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 109, 119, 170, 210, 218, 238, 255, 327, 357, 510, 545, 595, 654, 714, 763, 1090, 1190, 1526, 1635, 1785, 1853, 2289, 3270, 3570, 3706, 3815, 4578, 5559, 7630, 9265, 11118, 11445, 12971, 18530, 22890, 25942, 27795, 38913, 53047, 55590, 64855, 77826, 106094, 129710, 159141, 194565, 265235, 318282, 371329, 389130, 530470, 742658, 795705, 901799, 1113987, 1591410, 1803598, 1856645, 2227974, 2705397, 3713290, 4508995, 5410794, 5569935, 5782123, 6312593, 9017990, 11139870, 11564246, 12625186, 13526985, 17346369, 18937779, 27053970, 28910615, 31562965, 34692738, 37875558, 40474861, 57821230, 63125930, 80949722, 86731845, 94688895, 98296091, 121424583, 173463690, 189377790, 196592182, 202374305, 242849166, 294888273, 404748610, 491480455, 589776546, 607122915, 688072637, 982960910, 1214245830, 1376145274, 1474441365, 2064217911, 2948882730, 3440363185, 4128435822, 6880726370, 10321089555, 20642179110]

約数ペア:

[(1, 20642179110), (2, 10321089555), (3, 6880726370), (5, 4128435822), (6, 3440363185), (7, 2948882730), (10, 2064217911), (14, 1474441365), (15, 1376145274), (17, 1214245830), (21, 982960910), (30, 688072637), (34, 607122915), (35, 589776546), (42, 491480455), (51, 404748610), (70, 294888273), (85, 242849166), (102, 202374305), (105, 196592182), (109, 189377790), (119, 173463690), (170, 121424583), (210, 98296091), (218, 94688895), (238, 86731845), (255, 80949722), (327, 63125930), (357, 57821230), (510, 40474861), (545, 37875558), (595, 34692738), (654, 31562965), (714, 28910615), (763, 27053970), (1090, 18937779), (1190, 17346369), (1526, 13526985), (1635, 12625186), (1785, 11564246), (1853, 11139870), (2289, 9017990), (3270, 6312593), (3570, 5782123), (3706, 5569935), (3815, 5410794), (4578, 4508995), (5559, 3713290), (7630, 2705397), (9265, 2227974), (11118, 1856645), (11445, 1803598), (12971, 1591410), (18530, 1113987), (22890, 901799), (25942, 795705), (27795, 742658), (38913, 530470), (53047, 389130), (55590, 371329), (64855, 318282), (77826, 265235), (106094, 194565), (129710, 159141)]