20187244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65543}}^1$

素因数の和:65565

約数の個数: 24

約数和(自身を含む): 44045568

約数和(自身を除く): 23858324

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 65543, 131086, 262172, 458801, 720973, 917602, 1441946, 1835204, 2883892, 5046811, 10093622, 20187244]

約数ペア:

[(1, 20187244), (2, 10093622), (4, 5046811), (7, 2883892), (11, 1835204), (14, 1441946), (22, 917602), (28, 720973), (44, 458801), (77, 262172), (154, 131086), (308, 65543)]