20478490

素因数分解:

$2^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{4423}}^1$

素因数の和:4893

約数の個数: 16

約数和(自身を含む): 36949248

約数和(自身を除く): 16470758

約数列:

[1, 2, 5, 10, 463, 926, 2315, 4423, 4630, 8846, 22115, 44230, 2047849, 4095698, 10239245, 20478490]

約数ペア:

[(1, 20478490), (2, 10239245), (5, 4095698), (10, 2047849), (463, 44230), (926, 22115), (2315, 8846), (4423, 4630)]