20468144

素因数分解:

$2^4\times {\mathrm{683}}^1\times {\mathrm{1873}}^1$

素因数の和:2564

約数の個数: 20

約数和(自身を含む): 39736296

約数和(自身を除く): 19268152

約数列:

[1, 2, 4, 8, 16, 683, 1366, 1873, 2732, 3746, 5464, 7492, 10928, 14984, 29968, 1279259, 2558518, 5117036, 10234072, 20468144]

約数ペア:

[(1, 20468144), (2, 10234072), (4, 5117036), (8, 2558518), (16, 1279259), (683, 29968), (1366, 14984), (1873, 10928), (2732, 7492), (3746, 5464)]