20309904

素因数分解:

$2^4\times 3^2\times {\mathrm{141041}}^1$

素因数の和:141055

約数の個数: 30

約数和(自身を含む): 56839926

約数和(自身を除く): 36530022

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 141041, 282082, 423123, 564164, 846246, 1128328, 1269369, 1692492, 2256656, 2538738, 3384984, 5077476, 6769968, 10154952, 20309904]

約数ペア:

[(1, 20309904), (2, 10154952), (3, 6769968), (4, 5077476), (6, 3384984), (8, 2538738), (9, 2256656), (12, 1692492), (16, 1269369), (18, 1128328), (24, 846246), (36, 564164), (48, 423123), (72, 282082), (144, 141041)]