20419010

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12527}}^1$

素因数の和:12697

約数の個数: 16

約数和(自身を含む): 36982656

約数和(自身を除く): 16563646

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 12527, 25054, 62635, 125270, 2041901, 4083802, 10209505, 20419010]

約数ペア:

[(1, 20419010), (2, 10209505), (5, 4083802), (10, 2041901), (163, 125270), (326, 62635), (815, 25054), (1630, 12527)]