20401352

素因数分解:

$2^3\times {\mathrm{1277}}^1\times {\mathrm{1997}}^1$

素因数の和:3280

約数の個数: 16

約数和(自身を含む): 38301660

約数和(自身を除く): 17900308

約数列:

[1, 2, 4, 8, 1277, 1997, 2554, 3994, 5108, 7988, 10216, 15976, 2550169, 5100338, 10200676, 20401352]

約数ペア:

[(1, 20401352), (2, 10200676), (4, 5100338), (8, 2550169), (1277, 15976), (1997, 10216), (2554, 7988), (3994, 5108)]