20784752

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4177}}^1$

素因数の和:4496

約数の個数: 20

約数和(自身を含む): 40409616

約数和(自身を除く): 19624864

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4177, 4976, 8354, 16708, 33416, 66832, 1299047, 2598094, 5196188, 10392376, 20784752]

約数ペア:

[(1, 20784752), (2, 10392376), (4, 5196188), (8, 2598094), (16, 1299047), (311, 66832), (622, 33416), (1244, 16708), (2488, 8354), (4177, 4976)]