20565657008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98873351}}^1$

素因数の和:98873372

約数の個数: 20

約数和(自身を含む): 42911034768

約数和(自身を除く): 22345377760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98873351, 197746702, 395493404, 790986808, 1285353563, 1581973616, 2570707126, 5141414252, 10282828504, 20565657008]

約数ペア:

[(1, 20565657008), (2, 10282828504), (4, 5141414252), (8, 2570707126), (13, 1581973616), (16, 1285353563), (26, 790986808), (52, 395493404), (104, 197746702), (208, 98873351)]