16720130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{238859}}^1$

素因数の和:238873

約数の個数: 16

約数和(自身を含む): 34395840

約数和(自身を除く): 17675710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 238859, 477718, 1194295, 1672013, 2388590, 3344026, 8360065, 16720130]

約数ペア:

[(1, 16720130), (2, 8360065), (5, 3344026), (7, 2388590), (10, 1672013), (14, 1194295), (35, 477718), (70, 238859)]