20912426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1559}}^1$

素因数の和:1933

約数の個数: 16

約数和(自身を含む): 33134400

約数和(自身を除く): 12221974

約数列:

[1, 2, 19, 38, 353, 706, 1559, 3118, 6707, 13414, 29621, 59242, 550327, 1100654, 10456213, 20912426]

約数ペア:

[(1, 20912426), (2, 10456213), (19, 1100654), (38, 550327), (353, 59242), (706, 29621), (1559, 13414), (3118, 6707)]