20800035

素因数分解:

$3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{821}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 36161424

約数和(自身を除く): 15361389

約数列:

[1, 3, 5, 9, 15, 45, 563, 821, 1689, 2463, 2815, 4105, 5067, 7389, 8445, 12315, 25335, 36945, 462223, 1386669, 2311115, 4160007, 6933345, 20800035]

約数ペア:

[(1, 20800035), (3, 6933345), (5, 4160007), (9, 2311115), (15, 1386669), (45, 462223), (563, 36945), (821, 25335), (1689, 12315), (2463, 8445), (2815, 7389), (4105, 5067)]