20781609604

素因数分解:

$2^2\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1046827}}^1$

素因数の和:1047547

約数の個数: 24

約数和(自身を含む): 41621881280

約数和(自身を除く): 20840271676

約数列:

[1, 2, 4, 7, 14, 28, 709, 1418, 2836, 4963, 9926, 19852, 1046827, 2093654, 4187308, 7327789, 14655578, 29311156, 742200343, 1484400686, 2968801372, 5195402401, 10390804802, 20781609604]

約数ペア:

[(1, 20781609604), (2, 10390804802), (4, 5195402401), (7, 2968801372), (14, 1484400686), (28, 742200343), (709, 29311156), (1418, 14655578), (2836, 7327789), (4963, 4187308), (9926, 2093654), (19852, 1046827)]