20493424

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2731}}^1$

素因数の和:2813

約数の個数: 40

約数和(自身を含む): 46072448

約数和(自身を除く): 25579024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2731, 3752, 5462, 7504, 10924, 19117, 21848, 38234, 43696, 76468, 152936, 182977, 305872, 365954, 731908, 1280839, 1463816, 2561678, 2927632, 5123356, 10246712, 20493424]

約数ペア:

[(1, 20493424), (2, 10246712), (4, 5123356), (7, 2927632), (8, 2561678), (14, 1463816), (16, 1280839), (28, 731908), (56, 365954), (67, 305872), (112, 182977), (134, 152936), (268, 76468), (469, 43696), (536, 38234), (938, 21848), (1072, 19117), (1876, 10924), (2731, 7504), (3752, 5462)]