20425798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{787}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 32339520

約数和(自身を除く): 11913722

約数列:

[1, 2, 19, 38, 683, 787, 1366, 1574, 12977, 14953, 25954, 29906, 537521, 1075042, 10212899, 20425798]

約数ペア:

[(1, 20425798), (2, 10212899), (19, 1075042), (38, 537521), (683, 29906), (787, 25954), (1366, 14953), (1574, 12977)]