20508693

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2531}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 28479936

約数和(自身を除く): 7971243

約数列:

[1, 3, 37, 73, 111, 219, 2531, 2701, 7593, 8103, 93647, 184763, 280941, 554289, 6836231, 20508693]

約数ペア:

[(1, 20508693), (3, 6836231), (37, 554289), (73, 280941), (111, 184763), (219, 93647), (2531, 8103), (2701, 7593)]