20257336

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 23983784

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 968, 1231, 1496, 2057, 2462, 4114, 4924, 8228, 9848, 13541, 16456, 20927, 27082, 41854, 54164, 83708, 108328, 148951, 167416, 230197, 297902, 460394, 595804, 920788, 1191608, 1841576, 2532167, 5064334, 10128668, 20257336]

約数ペア:

[(1, 20257336), (2, 10128668), (4, 5064334), (8, 2532167), (11, 1841576), (17, 1191608), (22, 920788), (34, 595804), (44, 460394), (68, 297902), (88, 230197), (121, 167416), (136, 148951), (187, 108328), (242, 83708), (374, 54164), (484, 41854), (748, 27082), (968, 20927), (1231, 16456), (1496, 13541), (2057, 9848), (2462, 8228), (4114, 4924)]