20210744669

素因数分解:

${\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1\times {\mathrm{1987}}^1$

素因数の和:2912

約数の個数: 16

約数和(自身を含む): 20611584000

約数和(自身を除く): 400839331

約数列:

[1, 79, 199, 647, 1987, 15721, 51113, 128753, 156973, 395413, 1285589, 10171487, 31237627, 101561531, 255832211, 20210744669]

約数ペア:

[(1, 20210744669), (79, 255832211), (199, 101561531), (647, 31237627), (1987, 10171487), (15721, 1285589), (51113, 395413), (128753, 156973)]