20440706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71471}}^1$

素因数の和:71497

約数の個数: 16

約数和(自身を含む): 36021888

約数和(自身を除く): 15581182

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71471, 142942, 786181, 929123, 1572362, 1858246, 10220353, 20440706]

約数ペア:

[(1, 20440706), (2, 10220353), (11, 1858246), (13, 1572362), (22, 929123), (26, 786181), (143, 142942), (286, 71471)]