20492788432

素因数分解:

$2^4\times {\mathrm{2917}}^1\times {\mathrm{439081}}^1$

素因数の和:442006

約数の個数: 20

約数和(自身を含む): 39718479556

約数和(自身を除く): 19225691124

約数列:

[1, 2, 4, 8, 16, 2917, 5834, 11668, 23336, 46672, 439081, 878162, 1756324, 3512648, 7025296, 1280799277, 2561598554, 5123197108, 10246394216, 20492788432]

約数ペア:

[(1, 20492788432), (2, 10246394216), (4, 5123197108), (8, 2561598554), (16, 1280799277), (2917, 7025296), (5834, 3512648), (11668, 1756324), (23336, 878162), (46672, 439081)]