20453973136

素因数分解:

$2^4\times {\mathrm{1607}}^1\times {\mathrm{795503}}^1$

素因数の和:797118

約数の個数: 20

約数和(自身を含む): 39654283392

約数和(自身を除く): 19200310256

約数列:

[1, 2, 4, 8, 16, 1607, 3214, 6428, 12856, 25712, 795503, 1591006, 3182012, 6364024, 12728048, 1278373321, 2556746642, 5113493284, 10226986568, 20453973136]

約数ペア:

[(1, 20453973136), (2, 10226986568), (4, 5113493284), (8, 2556746642), (16, 1278373321), (1607, 12728048), (3214, 6364024), (6428, 3182012), (12856, 1591006), (25712, 795503)]