20671480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22469}}^1$

素因数の和:22503

約数の個数: 32

約数和(自身を含む): 48535200

約数和(自身を除く): 27863720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22469, 44938, 89876, 112345, 179752, 224690, 449380, 516787, 898760, 1033574, 2067148, 2583935, 4134296, 5167870, 10335740, 20671480]

約数ペア:

[(1, 20671480), (2, 10335740), (4, 5167870), (5, 4134296), (8, 2583935), (10, 2067148), (20, 1033574), (23, 898760), (40, 516787), (46, 449380), (92, 224690), (115, 179752), (184, 112345), (230, 89876), (460, 44938), (920, 22469)]