20803158

素因数分解:

$2^1\times 3^2\times {\mathrm{577}}^1\times {\mathrm{2003}}^1$

素因数の和:2588

約数の個数: 24

約数和(自身を含む): 45174168

約数和(自身を除く): 24371010

約数列:

[1, 2, 3, 6, 9, 18, 577, 1154, 1731, 2003, 3462, 4006, 5193, 6009, 10386, 12018, 18027, 36054, 1155731, 2311462, 3467193, 6934386, 10401579, 20803158]

約数ペア:

[(1, 20803158), (2, 10401579), (3, 6934386), (6, 3467193), (9, 2311462), (18, 1155731), (577, 36054), (1154, 18027), (1731, 12018), (2003, 10386), (3462, 6009), (4006, 5193)]