20807672

素因数分解:

$2^3\times {\mathrm{613}}^1\times {\mathrm{4243}}^1$

素因数の和:4862

約数の個数: 16

約数和(自身を含む): 39087240

約数和(自身を除く): 18279568

約数列:

[1, 2, 4, 8, 613, 1226, 2452, 4243, 4904, 8486, 16972, 33944, 2600959, 5201918, 10403836, 20807672]

約数ペア:

[(1, 20807672), (2, 10403836), (4, 5201918), (8, 2600959), (613, 33944), (1226, 16972), (2452, 8486), (4243, 4904)]