20355520

素因数分解:

$2^6\times 5^1\times {\mathrm{63611}}^1$

素因数の和:63628

約数の個数: 28

約数和(自身を含む): 48472344

約数和(自身を除く): 28116824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63611, 127222, 254444, 318055, 508888, 636110, 1017776, 1272220, 2035552, 2544440, 4071104, 5088880, 10177760, 20355520]

約数ペア:

[(1, 20355520), (2, 10177760), (4, 5088880), (5, 4071104), (8, 2544440), (10, 2035552), (16, 1272220), (20, 1017776), (32, 636110), (40, 508888), (64, 318055), (80, 254444), (160, 127222), (320, 63611)]