20173924688

素因数分解:

$2^4\times {\mathrm{10781}}^1\times {\mathrm{116953}}^1$

素因数の和:127742

約数の個数: 20

約数和(自身を含む): 39090938868

約数和(自身を除く): 18917014180

約数列:

[1, 2, 4, 8, 16, 10781, 21562, 43124, 86248, 116953, 172496, 233906, 467812, 935624, 1871248, 1260870293, 2521740586, 5043481172, 10086962344, 20173924688]

約数ペア:

[(1, 20173924688), (2, 10086962344), (4, 5043481172), (8, 2521740586), (16, 1260870293), (10781, 1871248), (21562, 935624), (43124, 467812), (86248, 233906), (116953, 172496)]