20913242

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4513}}^1$

素因数の和:4853

約数の個数: 16

約数和(自身を含む): 35967552

約数和(自身を除く): 15054310

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4513, 4634, 9026, 31591, 63182, 1493803, 2987606, 10456621, 20913242]

約数ペア:

[(1, 20913242), (2, 10456621), (7, 2987606), (14, 1493803), (331, 63182), (662, 31591), (2317, 9026), (4513, 4634)]