20189080805

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^2\times {\mathrm{1361}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 24928702344

約数和(自身を除く): 4739621539

約数列:

[1, 5, 41, 205, 269, 1345, 1361, 6805, 11029, 55145, 55801, 72361, 279005, 361805, 366109, 1830545, 2966801, 14834005, 15010469, 75052345, 98483321, 492416605, 4037816161, 20189080805]

約数ペア:

[(1, 20189080805), (5, 4037816161), (41, 492416605), (205, 98483321), (269, 75052345), (1345, 15010469), (1361, 14834005), (6805, 2966801), (11029, 1830545), (55145, 366109), (55801, 361805), (72361, 279005)]