20511824

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3571}}^1$

素因数の和:3938

約数の個数: 20

約数和(自身を含む): 39863520

約数和(自身を除く): 19351696

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3571, 5744, 7142, 14284, 28568, 57136, 1281989, 2563978, 5127956, 10255912, 20511824]

約数ペア:

[(1, 20511824), (2, 10255912), (4, 5127956), (8, 2563978), (16, 1281989), (359, 57136), (718, 28568), (1436, 14284), (2872, 7142), (3571, 5744)]