20014197

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{787}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 31261536

約数和(自身を除く): 11247339

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 787, 1211, 2361, 3633, 5509, 8477, 16527, 25431, 38563, 115689, 136151, 408453, 953057, 2859171, 6671399, 20014197]

約数ペア:

[(1, 20014197), (3, 6671399), (7, 2859171), (21, 953057), (49, 408453), (147, 136151), (173, 115689), (519, 38563), (787, 25431), (1211, 16527), (2361, 8477), (3633, 5509)]