20863941

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7823}}^1$

素因数の和:7960

約数の個数: 16

約数和(自身を含む): 32047104

約数和(自身を除く): 11183163

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7823, 23469, 54761, 164283, 993521, 2980563, 6954647, 20863941]

約数ペア:

[(1, 20863941), (3, 6954647), (7, 2980563), (21, 993521), (127, 164283), (381, 54761), (889, 23469), (2667, 7823)]