20207089

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 24508800

約数和(自身を除く): 4301711

約数列:

[1, 7, 19, 133, 137, 959, 1109, 2603, 7763, 18221, 21071, 147497, 151933, 1063531, 2886727, 20207089]

約数ペア:

[(1, 20207089), (7, 2886727), (19, 1063531), (133, 151933), (137, 147497), (959, 21071), (1109, 18221), (2603, 7763)]