20489194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25171}}^1$

素因数の和:25221

約数の個数: 16

約数和(自身を含む): 34435296

約数和(自身を除く): 13946102

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25171, 50342, 276881, 553762, 931327, 1862654, 10244597, 20489194]

約数ペア:

[(1, 20489194), (2, 10244597), (11, 1862654), (22, 931327), (37, 553762), (74, 276881), (407, 50342), (814, 25171)]