20212678

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{829}}^1$

素因数の和:1071

約数の個数: 16

約数和(自身を含む): 30955680

約数和(自身を除く): 10743002

約数列:

[1, 2, 73, 146, 167, 334, 829, 1658, 12191, 24382, 60517, 121034, 138443, 276886, 10106339, 20212678]

約数ペア:

[(1, 20212678), (2, 10106339), (73, 276886), (146, 138443), (167, 121034), (334, 60517), (829, 24382), (1658, 12191)]