9945860

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{977}}^1$

素因数の和:1495

約数の個数: 24

約数和(自身を含む): 20948760

約数和(自身を除く): 11002900

約数列:

[1, 2, 4, 5, 10, 20, 509, 977, 1018, 1954, 2036, 2545, 3908, 4885, 5090, 9770, 10180, 19540, 497293, 994586, 1989172, 2486465, 4972930, 9945860]

約数ペア:

[(1, 9945860), (2, 4972930), (4, 2486465), (5, 1989172), (10, 994586), (20, 497293), (509, 19540), (977, 10180), (1018, 9770), (1954, 5090), (2036, 4885), (2545, 3908)]