20542802

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16487}}^1$

素因数の和:16585

約数の個数: 16

約数和(自身を含む): 35614080

約数和(自身を除く): 15071278

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16487, 32974, 115409, 230818, 1467343, 2934686, 10271401, 20542802]

約数ペア:

[(1, 20542802), (2, 10271401), (7, 2934686), (14, 1467343), (89, 230818), (178, 115409), (623, 32974), (1246, 16487)]