20673561

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 28366848

約数和(自身を除く): 7693287

約数列:

[1, 3, 47, 141, 151, 453, 971, 2913, 7097, 21291, 45637, 136911, 146621, 439863, 6891187, 20673561]

約数ペア:

[(1, 20673561), (3, 6891187), (47, 439863), (141, 146621), (151, 136911), (453, 45637), (971, 21291), (2913, 7097)]