20689852008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{123153881}}^1$

素因数の和:123153897

約数の個数: 32

約数和(自身を含む): 59113863360

約数和(自身を除く): 38424011352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 123153881, 246307762, 369461643, 492615524, 738923286, 862077167, 985231048, 1477846572, 1724154334, 2586231501, 2955693144, 3448308668, 5172463002, 6896617336, 10344926004, 20689852008]

約数ペア:

[(1, 20689852008), (2, 10344926004), (3, 6896617336), (4, 5172463002), (6, 3448308668), (7, 2955693144), (8, 2586231501), (12, 1724154334), (14, 1477846572), (21, 985231048), (24, 862077167), (28, 738923286), (42, 492615524), (56, 369461643), (84, 246307762), (168, 123153881)]