20057218

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:773

約数の個数: 16

約数和(自身を含む): 30608280

約数和(自身を除く): 10551062

約数列:

[1, 2, 89, 178, 281, 401, 562, 802, 25009, 35689, 50018, 71378, 112681, 225362, 10028609, 20057218]

約数ペア:

[(1, 20057218), (2, 10028609), (89, 225362), (178, 112681), (281, 71378), (401, 50018), (562, 35689), (802, 25009)]