16860460

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1291}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 35488656

約数和(自身を除く): 18628196

約数列:

[1, 2, 4, 5, 10, 20, 653, 1291, 1306, 2582, 2612, 3265, 5164, 6455, 6530, 12910, 13060, 25820, 843023, 1686046, 3372092, 4215115, 8430230, 16860460]

約数ペア:

[(1, 16860460), (2, 8430230), (4, 4215115), (5, 3372092), (10, 1686046), (20, 843023), (653, 25820), (1291, 13060), (1306, 12910), (2582, 6530), (2612, 6455), (3265, 5164)]