20078193779280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{205529}}^1$

素因数の和:205649

約数の個数: 960

約数和(自身を含む): 87858451699200

約数和(自身を除く): 67780257919920

約数列:

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約数ペア:

[(1, 20078193779280), (2, 10039096889640), (3, 6692731259760), (4, 5019548444820), (5, 4015638755856), (6, 3346365629880), (7, 2868313397040), (8, 2509774222410), (9, 2230910419920), (10, 2007819377928), (12, 1673182814940), (13, 1544476444560), (14, 1434156698520), (15, 1338546251952), (16, 1254887111205), (18, 1115455209960), (20, 1003909688964), (21, 956104465680), (24, 836591407470), (26, 772238222280), (27, 743636806640), (28, 717078349260), (30, 669273125976), (35, 573662679408), (36, 557727604980), (39, 514825481520), (40, 501954844482), (42, 478052232840), (45, 446182083984), (48, 418295703735), (49, 409759056720), (52, 386119111140), (54, 371818403320), (56, 358539174630), (60, 334636562988), (63, 318701488560), (65, 308895288912), (70, 286831339704), (71, 282791461680), (72, 278863802490), (78, 257412740760), (80, 250977422241), (84, 239026116420), (90, 223091041992), (91, 220639492080), (98, 204879528360), (104, 193059555570), (105, 191220893136), (108, 185909201660), (112, 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