20680161

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1\times {\mathrm{509}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 28641600

約数和(自身を除く): 7961439

約数列:

[1, 3, 29, 87, 467, 509, 1401, 1527, 13543, 14761, 40629, 44283, 237703, 713109, 6893387, 20680161]

約数ペア:

[(1, 20680161), (3, 6893387), (29, 713109), (87, 237703), (467, 44283), (509, 40629), (1401, 14761), (1527, 13543)]