20984055

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45127}}^1$

素因数の和:45166

約数の個数: 16

約数和(自身を含む): 34658304

約数和(自身を除く): 13674249

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45127, 135381, 225635, 676905, 1398937, 4196811, 6994685, 20984055]

約数ペア:

[(1, 20984055), (3, 6994685), (5, 4196811), (15, 1398937), (31, 676905), (93, 225635), (155, 135381), (465, 45127)]