20849950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 21897314

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 167, 227, 275, 334, 454, 550, 835, 1135, 1670, 1837, 2270, 2497, 3674, 4175, 4994, 5675, 8350, 9185, 11350, 12485, 18370, 24970, 37909, 45925, 62425, 75818, 91850, 124850, 189545, 379090, 416999, 833998, 947725, 1895450, 2084995, 4169990, 10424975, 20849950]

約数ペア:

[(1, 20849950), (2, 10424975), (5, 4169990), (10, 2084995), (11, 1895450), (22, 947725), (25, 833998), (50, 416999), (55, 379090), (110, 189545), (167, 124850), (227, 91850), (275, 75818), (334, 62425), (454, 45925), (550, 37909), (835, 24970), (1135, 18370), (1670, 12485), (1837, 11350), (2270, 9185), (2497, 8350), (3674, 5675), (4175, 4994)]