20408234

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1598

約数の個数: 32

約数和(自身を含む): 38620800

約数和(自身を除く): 18212566

約数列:

[1, 2, 7, 11, 14, 22, 77, 89, 154, 178, 623, 979, 1246, 1489, 1958, 2978, 6853, 10423, 13706, 16379, 20846, 32758, 114653, 132521, 229306, 265042, 927647, 1457731, 1855294, 2915462, 10204117, 20408234]

約数ペア:

[(1, 20408234), (2, 10204117), (7, 2915462), (11, 1855294), (14, 1457731), (22, 927647), (77, 265042), (89, 229306), (154, 132521), (178, 114653), (623, 32758), (979, 20846), (1246, 16379), (1489, 13706), (1958, 10423), (2978, 6853)]