20782816

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{3889}}^1$

素因数の和:4066

約数の個数: 24

約数和(自身を含む): 41171760

約数和(自身を除く): 20388944

約数列:

[1, 2, 4, 8, 16, 32, 167, 334, 668, 1336, 2672, 3889, 5344, 7778, 15556, 31112, 62224, 124448, 649463, 1298926, 2597852, 5195704, 10391408, 20782816]

約数ペア:

[(1, 20782816), (2, 10391408), (4, 5195704), (8, 2597852), (16, 1298926), (32, 649463), (167, 124448), (334, 62224), (668, 31112), (1336, 15556), (2672, 7778), (3889, 5344)]