20418936

素因数分解:

$2^3\times 3^1\times {\mathrm{487}}^1\times {\mathrm{1747}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 51181440

約数和(自身を除く): 30762504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 487, 974, 1461, 1747, 1948, 2922, 3494, 3896, 5241, 5844, 6988, 10482, 11688, 13976, 20964, 41928, 850789, 1701578, 2552367, 3403156, 5104734, 6806312, 10209468, 20418936]

約数ペア:

[(1, 20418936), (2, 10209468), (3, 6806312), (4, 5104734), (6, 3403156), (8, 2552367), (12, 1701578), (24, 850789), (487, 41928), (974, 20964), (1461, 13976), (1747, 11688), (1948, 10482), (2922, 6988), (3494, 5844), (3896, 5241)]