20339973

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3593}}^1$

素因数の和:3653

約数の個数: 24

約数和(自身を含む): 31957848

約数和(自身を除く): 11617875

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3593, 5661, 10779, 32337, 61081, 132941, 183243, 398823, 549729, 1196469, 2259997, 6779991, 20339973]

約数ペア:

[(1, 20339973), (3, 6779991), (9, 2259997), (17, 1196469), (37, 549729), (51, 398823), (111, 183243), (153, 132941), (333, 61081), (629, 32337), (1887, 10779), (3593, 5661)]