20442195

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23909}}^1$

素因数の和:23939

約数の個数: 24

約数和(自身を含む): 37299600

約数和(自身を除く): 16857405

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23909, 71727, 119545, 215181, 358635, 454271, 1075905, 1362813, 2271355, 4088439, 6814065, 20442195]

約数ペア:

[(1, 20442195), (3, 6814065), (5, 4088439), (9, 2271355), (15, 1362813), (19, 1075905), (45, 454271), (57, 358635), (95, 215181), (171, 119545), (285, 71727), (855, 23909)]