20431047

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1117}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 34058752

約数和(自身を除く): 13627705

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1117, 1407, 2613, 3351, 6097, 7819, 14521, 18291, 23457, 43563, 74839, 101647, 224517, 304941, 523873, 972907, 1571619, 2918721, 6810349, 20431047]

約数ペア:

[(1, 20431047), (3, 6810349), (7, 2918721), (13, 1571619), (21, 972907), (39, 523873), (67, 304941), (91, 224517), (201, 101647), (273, 74839), (469, 43563), (871, 23457), (1117, 18291), (1407, 14521), (2613, 7819), (3351, 6097)]