20668816960

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5871823}}^1$

素因数の和:5871851

約数の個数: 56

約数和(自身を含む): 53691958656

約数和(自身を除く): 33023141696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5871823, 11743646, 23487292, 29359115, 46974584, 58718230, 64590053, 93949168, 117436460, 129180106, 187898336, 234872920, 258360212, 322950265, 375796672, 469745840, 516720424, 645900530, 939491680, 1033440848, 1291801060, 1878983360, 2066881696, 2583602120, 4133763392, 5167204240, 10334408480, 20668816960]

約数ペア:

[(1, 20668816960), (2, 10334408480), (4, 5167204240), (5, 4133763392), (8, 2583602120), (10, 2066881696), (11, 1878983360), (16, 1291801060), (20, 1033440848), (22, 939491680), (32, 645900530), (40, 516720424), (44, 469745840), (55, 375796672), (64, 322950265), (80, 258360212), (88, 234872920), (110, 187898336), (160, 129180106), (176, 117436460), (220, 93949168), (320, 64590053), (352, 58718230), (440, 46974584), (704, 29359115), (880, 23487292), (1760, 11743646), (3520, 5871823)]