20589009

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2731}}^1$

素因数の和:3100

約数の個数: 16

約数和(自身を含む): 31472640

約数和(自身を除く): 10883631

約数列:

[1, 3, 7, 21, 359, 1077, 2513, 2731, 7539, 8193, 19117, 57351, 980429, 2941287, 6863003, 20589009]

約数ペア:

[(1, 20589009), (3, 6863003), (7, 2941287), (21, 980429), (359, 57351), (1077, 19117), (2513, 8193), (2731, 7539)]