20180457776

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9628081}}^1$

素因数の和:9628220

約数の個数: 20

約数和(自身を含む): 39398111544

約数和(自身を除く): 19217653768

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9628081, 19256162, 38512324, 77024648, 154049296, 1261278611, 2522557222, 5045114444, 10090228888, 20180457776]

約数ペア:

[(1, 20180457776), (2, 10090228888), (4, 5045114444), (8, 2522557222), (16, 1261278611), (131, 154049296), (262, 77024648), (524, 38512324), (1048, 19256162), (2096, 9628081)]