20201631416

素因数分解:

$2^3\times {\mathrm{1861}}^1\times {\mathrm{1356907}}^1$

素因数の和:1358774

約数の個数: 16

約数和(自身を含む): 37898440440

約数和(自身を除く): 17696809024

約数列:

[1, 2, 4, 8, 1861, 3722, 7444, 14888, 1356907, 2713814, 5427628, 10855256, 2525203927, 5050407854, 10100815708, 20201631416]

約数ペア:

[(1, 20201631416), (2, 10100815708), (4, 5050407854), (8, 2525203927), (1861, 10855256), (3722, 5427628), (7444, 2713814), (14888, 1356907)]