20082237

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 31232448

約数和(自身を除く): 11150211

約数列:

[1, 3, 7, 21, 61, 183, 257, 427, 771, 1281, 1799, 3721, 5397, 11163, 15677, 26047, 47031, 78141, 109739, 329217, 956297, 2868891, 6694079, 20082237]

約数ペア:

[(1, 20082237), (3, 6694079), (7, 2868891), (21, 956297), (61, 329217), (183, 109739), (257, 78141), (427, 47031), (771, 26047), (1281, 15677), (1799, 11163), (3721, 5397)]