20538088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135119}}^1$

素因数の和:135144

約数の個数: 16

約数和(自身を含む): 40536000

約数和(自身を除く): 19997912

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135119, 270238, 540476, 1080952, 2567261, 5134522, 10269044, 20538088]

約数ペア:

[(1, 20538088), (2, 10269044), (4, 5134522), (8, 2567261), (19, 1080952), (38, 540476), (76, 270238), (152, 135119)]