169478020

素因数分解:

$2^2\times 5^1\times {\mathrm{8473901}}^1$

素因数の和:8473910

約数の個数: 12

約数和(自身を含む): 355903884

約数和(自身を除く): 186425864

約数列:

[1, 2, 4, 5, 10, 20, 8473901, 16947802, 33895604, 42369505, 84739010, 169478020]

約数ペア:

[(1, 169478020), (2, 84739010), (4, 42369505), (5, 33895604), (10, 16947802), (20, 8473901)]