20729202904

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{3968071}}^1$

素因数の和:3968730

約数の個数: 16

約数和(自身を含む): 38926786320

約数和(自身を除く): 18197583416

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 5224, 3968071, 7936142, 15872284, 31744568, 2591150363, 5182300726, 10364601452, 20729202904]

約数ペア:

[(1, 20729202904), (2, 10364601452), (4, 5182300726), (8, 2591150363), (653, 31744568), (1306, 15872284), (2612, 7936142), (5224, 3968071)]