20264840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22027}}^1$

素因数の和:22061

約数の個数: 32

約数和(自身を含む): 47580480

約数和(自身を除く): 27315640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22027, 44054, 88108, 110135, 176216, 220270, 440540, 506621, 881080, 1013242, 2026484, 2533105, 4052968, 5066210, 10132420, 20264840]

約数ペア:

[(1, 20264840), (2, 10132420), (4, 5066210), (5, 4052968), (8, 2533105), (10, 2026484), (20, 1013242), (23, 881080), (40, 506621), (46, 440540), (92, 220270), (115, 176216), (184, 110135), (230, 88108), (460, 44054), (920, 22027)]