20203578

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{3391}}^1$

素因数の和:3730

約数の個数: 24

約数和(自身を含む): 43919616

約数和(自身を除く): 23716038

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 3391, 5958, 6782, 10173, 20346, 30519, 61038, 1122421, 2244842, 3367263, 6734526, 10101789, 20203578]

約数ペア:

[(1, 20203578), (2, 10101789), (3, 6734526), (6, 3367263), (9, 2244842), (18, 1122421), (331, 61038), (662, 30519), (993, 20346), (1986, 10173), (2979, 6782), (3391, 5958)]