20900904

素因数分解:

$2^3\times 3^1\times {\mathrm{870871}}^1$

素因数の和:870880

約数の個数: 16

約数和(自身を含む): 52252320

約数和(自身を除く): 31351416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 870871, 1741742, 2612613, 3483484, 5225226, 6966968, 10450452, 20900904]

約数ペア:

[(1, 20900904), (2, 10450452), (3, 6966968), (4, 5225226), (6, 3483484), (8, 2612613), (12, 1741742), (24, 870871)]