20189994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{601}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 44210880

約数和(自身を除く): 24020886

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 509, 601, 1018, 1202, 1527, 1803, 3054, 3606, 5599, 6611, 11198, 13222, 16797, 19833, 33594, 39666, 305909, 611818, 917727, 1835454, 3364999, 6729998, 10094997, 20189994]

約数ペア:

[(1, 20189994), (2, 10094997), (3, 6729998), (6, 3364999), (11, 1835454), (22, 917727), (33, 611818), (66, 305909), (509, 39666), (601, 33594), (1018, 19833), (1202, 16797), (1527, 13222), (1803, 11198), (3054, 6611), (3606, 5599)]