20877144

素因数分解:

$2^3\times 3^1\times {\mathrm{509}}^1\times {\mathrm{1709}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 52326000

約数和(自身を除く): 31448856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 509, 1018, 1527, 1709, 2036, 3054, 3418, 4072, 5127, 6108, 6836, 10254, 12216, 13672, 20508, 41016, 869881, 1739762, 2609643, 3479524, 5219286, 6959048, 10438572, 20877144]

約数ペア:

[(1, 20877144), (2, 10438572), (3, 6959048), (4, 5219286), (6, 3479524), (8, 2609643), (12, 1739762), (24, 869881), (509, 41016), (1018, 20508), (1527, 13672), (1709, 12216), (2036, 10254), (3054, 6836), (3418, 6108), (4072, 5127)]