20800936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{200009}}^1$

素因数の和:200028

約数の個数: 16

約数和(自身を含む): 42002100

約数和(自身を除く): 21201164

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 200009, 400018, 800036, 1600072, 2600117, 5200234, 10400468, 20800936]

約数ペア:

[(1, 20800936), (2, 10400468), (4, 5200234), (8, 2600117), (13, 1600072), (26, 800036), (52, 400018), (104, 200009)]