20189739256

素因数分解:

$2^3\times {\mathrm{1117}}^1\times {\mathrm{2259371}}^1$

素因数の和:2260494

約数の個数: 16

約数和(自身を含む): 37889668440

約数和(自身を除く): 17699929184

約数列:

[1, 2, 4, 8, 1117, 2234, 4468, 8936, 2259371, 4518742, 9037484, 18074968, 2523717407, 5047434814, 10094869628, 20189739256]

約数ペア:

[(1, 20189739256), (2, 10094869628), (4, 5047434814), (8, 2523717407), (1117, 18074968), (2234, 9037484), (4468, 4518742), (8936, 2259371)]