20819584

素因数分解:

$2^7\times {\mathrm{311}}^1\times {\mathrm{523}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 41689440

約数和(自身を除く): 20869856

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 311, 523, 622, 1046, 1244, 2092, 2488, 4184, 4976, 8368, 9952, 16736, 19904, 33472, 39808, 66944, 162653, 325306, 650612, 1301224, 2602448, 5204896, 10409792, 20819584]

約数ペア:

[(1, 20819584), (2, 10409792), (4, 5204896), (8, 2602448), (16, 1301224), (32, 650612), (64, 325306), (128, 162653), (311, 66944), (523, 39808), (622, 33472), (1046, 19904), (1244, 16736), (2092, 9952), (2488, 8368), (4184, 4976)]