20221812890

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3154729}}^1$

素因数の和:3155377

約数の個数: 16

約数和(自身を含む): 36456059880

約数和(自身を除く): 16234246990

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 3154729, 6309458, 15773645, 31547290, 2022181289, 4044362578, 10110906445, 20221812890]

約数ペア:

[(1, 20221812890), (2, 10110906445), (5, 4044362578), (10, 2022181289), (641, 31547290), (1282, 15773645), (3205, 6309458), (6410, 3154729)]