20693648

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{1999}}^1$

素因数の和:2654

約数の個数: 20

約数和(自身を含む): 40176000

約数和(自身を除く): 19482352

約数列:

[1, 2, 4, 8, 16, 647, 1294, 1999, 2588, 3998, 5176, 7996, 10352, 15992, 31984, 1293353, 2586706, 5173412, 10346824, 20693648]

約数ペア:

[(1, 20693648), (2, 10346824), (4, 5173412), (8, 2586706), (16, 1293353), (647, 31984), (1294, 15992), (1999, 10352), (2588, 7996), (3998, 5176)]