20864068

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 37409792

約数和(自身を除く): 16545724

約数列:

[1, 2, 4, 67, 127, 134, 254, 268, 508, 613, 1226, 2452, 8509, 17018, 34036, 41071, 77851, 82142, 155702, 164284, 311404, 5216017, 10432034, 20864068]

約数ペア:

[(1, 20864068), (2, 10432034), (4, 5216017), (67, 311404), (127, 164284), (134, 155702), (254, 82142), (268, 77851), (508, 41071), (613, 34036), (1226, 17018), (2452, 8509)]