20125304451

素因数分解:

$3^2\times 7^4\times {\mathrm{23}}^1\times {\mathrm{40493}}^1$

素因数の和:40550

約数の個数: 60

約数和(自身を含む): 35388192528

約数和(自身を除く): 15262888077

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1029, 1127, 1449, 2401, 3087, 3381, 7203, 7889, 10143, 21609, 23667, 40493, 55223, 71001, 121479, 165669, 283451, 364437, 497007, 850353, 931339, 1984157, 2551059, 2794017, 5952471, 6519373, 8382051, 13889099, 17857413, 19558119, 41667297, 45635611, 58674357, 97223693, 125001891, 136906833, 291671079, 319449277, 410720499, 875013237, 958347831, 2236144939, 2875043493, 6708434817, 20125304451]

約数ペア:

[(1, 20125304451), (3, 6708434817), (7, 2875043493), (9, 2236144939), (21, 958347831), (23, 875013237), (49, 410720499), (63, 319449277), (69, 291671079), (147, 136906833), (161, 125001891), (207, 97223693), (343, 58674357), (441, 45635611), (483, 41667297), (1029, 19558119), (1127, 17857413), (1449, 13889099), (2401, 8382051), (3087, 6519373), (3381, 5952471), (7203, 2794017), (7889, 2551059), (10143, 1984157), (21609, 931339), (23667, 850353), (40493, 497007), (55223, 364437), (71001, 283451), (121479, 165669)]