20955195

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24509}}^1$

素因数の和:24539

約数の個数: 24

約数和(自身を含む): 38235600

約数和(自身を除く): 17280405

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 24509, 73527, 122545, 220581, 367635, 465671, 1102905, 1397013, 2328355, 4191039, 6985065, 20955195]

約数ペア:

[(1, 20955195), (3, 6985065), (5, 4191039), (9, 2328355), (15, 1397013), (19, 1102905), (45, 465671), (57, 367635), (95, 220581), (171, 122545), (285, 73527), (855, 24509)]