20353208

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19421}}^1$

素因数の和:19558

約数の個数: 16

約数和(自身を含む): 38455560

約数和(自身を除く): 18102352

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19421, 38842, 77684, 155368, 2544151, 5088302, 10176604, 20353208]

約数ペア:

[(1, 20353208), (2, 10176604), (4, 5088302), (8, 2544151), (131, 155368), (262, 77684), (524, 38842), (1048, 19421)]