20207091825

素因数分解:

$3^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{451303}}^1$

素因数の和:451518

約数の個数: 36

約数和(自身を含む): 36375102400

約数和(自身を除く): 16168010575

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 199, 225, 597, 995, 1791, 2985, 4975, 8955, 14925, 44775, 451303, 1353909, 2256515, 4061727, 6769545, 11282575, 20308635, 33847725, 89809297, 101543175, 269427891, 449046485, 808283673, 1347139455, 2245232425, 4041418365, 6735697275, 20207091825]

約数ペア:

[(1, 20207091825), (3, 6735697275), (5, 4041418365), (9, 2245232425), (15, 1347139455), (25, 808283673), (45, 449046485), (75, 269427891), (199, 101543175), (225, 89809297), (597, 33847725), (995, 20308635), (1791, 11282575), (2985, 6769545), (4975, 4061727), (8955, 2256515), (14925, 1353909), (44775, 451303)]