20610945

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6451}}^1$

素因数の和:6533

約数の個数: 24

約数和(自身を含む): 36234432

約数和(自身を除く): 15623487

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6451, 19353, 32255, 58059, 96765, 290295, 458021, 1374063, 2290105, 4122189, 6870315, 20610945]

約数ペア:

[(1, 20610945), (3, 6870315), (5, 4122189), (9, 2290105), (15, 1374063), (45, 458021), (71, 290295), (213, 96765), (355, 58059), (639, 32255), (1065, 19353), (3195, 6451)]