20545238

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27689}}^1$

素因数の和:27751

約数の個数: 16

約数和(自身を含む): 35886240

約数和(自身を除く): 15341002

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27689, 55378, 193823, 387646, 1467517, 2935034, 10272619, 20545238]

約数ペア:

[(1, 20545238), (2, 10272619), (7, 2935034), (14, 1467517), (53, 387646), (106, 193823), (371, 55378), (742, 27689)]