20622868

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10993}}^1$

素因数の和:11071

約数の個数: 24

約数和(自身を含む): 41865152

約数和(自身を除く): 21242284

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10993, 21986, 43972, 76951, 153902, 307804, 736531, 1473062, 2946124, 5155717, 10311434, 20622868]

約数ペア:

[(1, 20622868), (2, 10311434), (4, 5155717), (7, 2946124), (14, 1473062), (28, 736531), (67, 307804), (134, 153902), (268, 76951), (469, 43972), (938, 21986), (1876, 10993)]