20118343

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 23803200

約数和(自身を除く): 3684857

約数列:

[1, 7, 37, 173, 259, 449, 1211, 3143, 6401, 16613, 44807, 77677, 116291, 543739, 2874049, 20118343]

約数ペア:

[(1, 20118343), (7, 2874049), (37, 543739), (173, 116291), (259, 77677), (449, 44807), (1211, 16613), (3143, 6401)]