16520764

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{24439}}^1$

素因数の和:24469

約数の個数: 18

約数和(自身を含む): 31307640

約数和(自身を除く): 14786876

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 24439, 48878, 97756, 317707, 635414, 1270828, 4130191, 8260382, 16520764]

約数ペア:

[(1, 16520764), (2, 8260382), (4, 4130191), (13, 1270828), (26, 635414), (52, 317707), (169, 97756), (338, 48878), (676, 24439)]