20429305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4691}}^1$

素因数の和:4776

約数の個数: 16

約数和(自身を含む): 26800704

約数和(自身を除く): 6371399

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4691, 23455, 60983, 304915, 314297, 1571485, 4085861, 20429305]

約数ペア:

[(1, 20429305), (5, 4085861), (13, 1571485), (65, 314297), (67, 304915), (335, 60983), (871, 23455), (4355, 4691)]