20994612

素因数分解:

$2^2\times 3^1\times {\mathrm{821}}^1\times {\mathrm{2131}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 49070112

約数和(自身を除く): 28075500

約数列:

[1, 2, 3, 4, 6, 12, 821, 1642, 2131, 2463, 3284, 4262, 4926, 6393, 8524, 9852, 12786, 25572, 1749551, 3499102, 5248653, 6998204, 10497306, 20994612]

約数ペア:

[(1, 20994612), (2, 10497306), (3, 6998204), (4, 5248653), (6, 3499102), (12, 1749551), (821, 25572), (1642, 12786), (2131, 9852), (2463, 8524), (3284, 6393), (4262, 4926)]