20199151

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{467}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 3702545

約数列:

[1, 7, 37, 167, 259, 467, 1169, 3269, 6179, 17279, 43253, 77989, 120953, 545923, 2885593, 20199151]

約数ペア:

[(1, 20199151), (7, 2885593), (37, 545923), (167, 120953), (259, 77989), (467, 43253), (1169, 17279), (3269, 6179)]