20011313

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{7919}}^1$

素因数の和:7964

約数の個数: 12

約数和(自身を含む): 24140160

約数和(自身を除く): 4128847

約数列:

[1, 7, 19, 133, 361, 2527, 7919, 55433, 150461, 1053227, 2858759, 20011313]

約数ペア:

[(1, 20011313), (7, 2858759), (19, 1053227), (133, 150461), (361, 55433), (2527, 7919)]