20128572

素因数分解:

$2^2\times 3^2\times {\mathrm{373}}^1\times {\mathrm{1499}}^1$

素因数の和:1882

約数の個数: 36

約数和(自身を含む): 51051000

約数和(自身を除く): 30922428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 373, 746, 1119, 1492, 1499, 2238, 2998, 3357, 4476, 4497, 5996, 6714, 8994, 13428, 13491, 17988, 26982, 53964, 559127, 1118254, 1677381, 2236508, 3354762, 5032143, 6709524, 10064286, 20128572]

約数ペア:

[(1, 20128572), (2, 10064286), (3, 6709524), (4, 5032143), (6, 3354762), (9, 2236508), (12, 1677381), (18, 1118254), (36, 559127), (373, 53964), (746, 26982), (1119, 17988), (1492, 13491), (1499, 13428), (2238, 8994), (2998, 6714), (3357, 5996), (4476, 4497)]