20920404

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102551}}^1$

素因数の和:102575

約数の個数: 24

約数和(自身を含む): 51686208

約数和(自身を除く): 30765804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102551, 205102, 307653, 410204, 615306, 1230612, 1743367, 3486734, 5230101, 6973468, 10460202, 20920404]

約数ペア:

[(1, 20920404), (2, 10460202), (3, 6973468), (4, 5230101), (6, 3486734), (12, 1743367), (17, 1230612), (34, 615306), (51, 410204), (68, 307653), (102, 205102), (204, 102551)]