20542215

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37013}}^1$

素因数の和:37058

約数の個数: 16

約数和(自身を含む): 33756768

約数和(自身を除く): 13214553

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37013, 111039, 185065, 555195, 1369481, 4108443, 6847405, 20542215]

約数ペア:

[(1, 20542215), (3, 6847405), (5, 4108443), (15, 1369481), (37, 555195), (111, 185065), (185, 111039), (555, 37013)]