20001064140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{7649}}^1$

素因数の和:7936

約数の個数: 144

約数和(自身を含む): 61818120000

約数和(自身を除く): 41817055860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 199, 219, 292, 365, 398, 438, 597, 657, 730, 796, 876, 995, 1095, 1194, 1314, 1460, 1791, 1990, 2190, 2388, 2628, 2985, 3285, 3582, 3980, 4380, 5970, 6570, 7164, 7649, 8955, 11940, 13140, 14527, 15298, 17910, 22947, 29054, 30596, 35820, 38245, 43581, 45894, 58108, 68841, 72635, 76490, 87162, 91788, 114735, 130743, 137682, 145270, 152980, 174324, 217905, 229470, 261486, 275364, 290540, 344205, 435810, 458940, 522972, 558377, 653715, 688410, 871620, 1116754, 1307430, 1376820, 1522151, 1675131, 2233508, 2614860, 2791885, 3044302, 3350262, 4566453, 5025393, 5583770, 6088604, 6700524, 7610755, 8375655, 9132906, 10050786, 11167540, 13699359, 15221510, 16751310, 18265812, 20101572, 22832265, 25126965, 27398718, 30443020, 33502620, 45664530, 50253930, 54797436, 68496795, 91329060, 100507860, 111117023, 136993590, 222234046, 273987180, 333351069, 444468092, 555585115, 666702138, 1000053207, 1111170230, 1333404276, 1666755345, 2000106414, 2222340460, 3333510690, 4000212828, 5000266035, 6667021380, 10000532070, 20001064140]

約数ペア:

[(1, 20001064140), (2, 10000532070), (3, 6667021380), (4, 5000266035), (5, 4000212828), (6, 3333510690), (9, 2222340460), (10, 2000106414), (12, 1666755345), (15, 1333404276), (18, 1111170230), (20, 1000053207), (30, 666702138), (36, 555585115), (45, 444468092), (60, 333351069), (73, 273987180), (90, 222234046), (146, 136993590), (180, 111117023), (199, 100507860), (219, 91329060), (292, 68496795), (365, 54797436), (398, 50253930), (438, 45664530), (597, 33502620), (657, 30443020), (730, 27398718), (796, 25126965), (876, 22832265), (995, 20101572), (1095, 18265812), (1194, 16751310), (1314, 15221510), (1460, 13699359), (1791, 11167540), (1990, 10050786), (2190, 9132906), (2388, 8375655), (2628, 7610755), (2985, 6700524), (3285, 6088604), (3582, 5583770), (3980, 5025393), (4380, 4566453), (5970, 3350262), (6570, 3044302), (7164, 2791885), (7649, 2614860), (8955, 2233508), (11940, 1675131), (13140, 1522151), (14527, 1376820), (15298, 1307430), (17910, 1116754), (22947, 871620), (29054, 688410), (30596, 653715), (35820, 558377), (38245, 522972), (43581, 458940), (45894, 435810), (58108, 344205), (68841, 290540), (72635, 275364), (76490, 261486), (87162, 229470), (91788, 217905), (114735, 174324), (130743, 152980), (137682, 145270)]