20400618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{485729}}^1$

素因数の和:485741

約数の個数: 16

約数和(自身を含む): 46630080

約数和(自身を除く): 26229462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 485729, 971458, 1457187, 2914374, 3400103, 6800206, 10200309, 20400618]

約数ペア:

[(1, 20400618), (2, 10200309), (3, 6800206), (6, 3400103), (7, 2914374), (14, 1457187), (21, 971458), (42, 485729)]