20249103

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 31664640

約数和(自身を除く): 11415537

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 991, 2919, 2973, 6811, 6937, 20433, 20811, 48559, 137749, 145677, 413247, 964243, 2892729, 6749701, 20249103]

約数ペア:

[(1, 20249103), (3, 6749701), (7, 2892729), (21, 964243), (49, 413247), (139, 145677), (147, 137749), (417, 48559), (973, 20811), (991, 20433), (2919, 6937), (2973, 6811)]