20160728

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2081}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 43472160

約数和(自身を除く): 23311432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2081, 2422, 4162, 4844, 8324, 9688, 14567, 16648, 29134, 58268, 116536, 360013, 720026, 1440052, 2520091, 2880104, 5040182, 10080364, 20160728]

約数ペア:

[(1, 20160728), (2, 10080364), (4, 5040182), (7, 2880104), (8, 2520091), (14, 1440052), (28, 720026), (56, 360013), (173, 116536), (346, 58268), (692, 29134), (1211, 16648), (1384, 14567), (2081, 9688), (2422, 8324), (4162, 4844)]