20607978

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{719}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 43856640

約数和(自身を除く): 23248662

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 281, 562, 719, 843, 1438, 1686, 2157, 4314, 4777, 9554, 12223, 14331, 24446, 28662, 36669, 73338, 202039, 404078, 606117, 1212234, 3434663, 6869326, 10303989, 20607978]

約数ペア:

[(1, 20607978), (2, 10303989), (3, 6869326), (6, 3434663), (17, 1212234), (34, 606117), (51, 404078), (102, 202039), (281, 73338), (562, 36669), (719, 28662), (843, 24446), (1438, 14331), (1686, 12223), (2157, 9554), (4314, 4777)]