20439196

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 16332644

約数列:

[1, 2, 4, 71, 79, 142, 158, 284, 316, 911, 1822, 3644, 5609, 11218, 22436, 64681, 71969, 129362, 143938, 258724, 287876, 5109799, 10219598, 20439196]

約数ペア:

[(1, 20439196), (2, 10219598), (4, 5109799), (71, 287876), (79, 258724), (142, 143938), (158, 129362), (284, 71969), (316, 64681), (911, 22436), (1822, 11218), (3644, 5609)]