20941645

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 25882560

約数和(自身を除く): 4940915

約数列:

[1, 5, 43, 215, 257, 379, 1285, 1895, 11051, 16297, 55255, 81485, 97403, 487015, 4188329, 20941645]

約数ペア:

[(1, 20941645), (5, 4188329), (43, 487015), (215, 97403), (257, 81485), (379, 55255), (1285, 16297), (1895, 11051)]