20512208

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{34649}}^1$

素因数の和:34694

約数の個数: 20

約数和(自身を含む): 40817700

約数和(自身を除く): 20305492

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 34649, 69298, 138596, 277192, 554384, 1282013, 2564026, 5128052, 10256104, 20512208]

約数ペア:

[(1, 20512208), (2, 10256104), (4, 5128052), (8, 2564026), (16, 1282013), (37, 554384), (74, 277192), (148, 138596), (296, 69298), (592, 34649)]