20568645

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5507}}^1$

素因数の和:5601

約数の個数: 24

約数和(自身を含む): 36088416

約数和(自身を除く): 15519771

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5507, 16521, 27535, 49563, 82605, 247815, 457081, 1371243, 2285405, 4113729, 6856215, 20568645]

約数ペア:

[(1, 20568645), (3, 6856215), (5, 4113729), (9, 2285405), (15, 1371243), (45, 457081), (83, 247815), (249, 82605), (415, 49563), (747, 27535), (1245, 16521), (3735, 5507)]