20948431

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{22501}}^1$

素因数の和:22534

約数の個数: 12

約数和(自身を含む): 25652280

約数和(自身を除く): 4703849

約数列:

[1, 7, 19, 49, 133, 931, 22501, 157507, 427519, 1102549, 2992633, 20948431]

約数ペア:

[(1, 20948431), (7, 2992633), (19, 1102549), (49, 427519), (133, 157507), (931, 22501)]