20387766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{485423}}^1$

素因数の和:485435

約数の個数: 16

約数和(自身を含む): 46600704

約数和(自身を除く): 26212938

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 485423, 970846, 1456269, 2912538, 3397961, 6795922, 10193883, 20387766]

約数ペア:

[(1, 20387766), (2, 10193883), (3, 6795922), (6, 3397961), (7, 2912538), (14, 1456269), (21, 970846), (42, 485423)]