20804535730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{50261}}^1$

素因数の和:50403

約数の個数: 64

約数和(自身を含む): 42210429696

約数和(自身を除く): 21405893966

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 71, 106, 110, 142, 265, 355, 530, 583, 710, 781, 1166, 1562, 2915, 3763, 3905, 5830, 7526, 7810, 18815, 37630, 41393, 50261, 82786, 100522, 206965, 251305, 413930, 502610, 552871, 1105742, 2663833, 2764355, 3568531, 5327666, 5528710, 7137062, 13319165, 17842655, 26638330, 29302163, 35685310, 39253841, 58604326, 78507682, 146510815, 189132143, 196269205, 293021630, 378264286, 392538410, 945660715, 1891321430, 2080453573, 4160907146, 10402267865, 20804535730]

約数ペア:

[(1, 20804535730), (2, 10402267865), (5, 4160907146), (10, 2080453573), (11, 1891321430), (22, 945660715), (53, 392538410), (55, 378264286), (71, 293021630), (106, 196269205), (110, 189132143), (142, 146510815), (265, 78507682), (355, 58604326), (530, 39253841), (583, 35685310), (710, 29302163), (781, 26638330), (1166, 17842655), (1562, 13319165), (2915, 7137062), (3763, 5528710), (3905, 5327666), (5830, 3568531), (7526, 2764355), (7810, 2663833), (18815, 1105742), (37630, 552871), (41393, 502610), (50261, 413930), (82786, 251305), (100522, 206965)]