20638296

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40949}}^1$

素因数の和:40968

約数の個数: 48

約数和(自身を含む): 63882000

約数和(自身を除く): 43243704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40949, 81898, 122847, 163796, 245694, 286643, 327592, 368541, 491388, 573286, 737082, 859929, 982776, 1146572, 1474164, 1719858, 2293144, 2579787, 2948328, 3439716, 5159574, 6879432, 10319148, 20638296]

約数ペア:

[(1, 20638296), (2, 10319148), (3, 6879432), (4, 5159574), (6, 3439716), (7, 2948328), (8, 2579787), (9, 2293144), (12, 1719858), (14, 1474164), (18, 1146572), (21, 982776), (24, 859929), (28, 737082), (36, 573286), (42, 491388), (56, 368541), (63, 327592), (72, 286643), (84, 245694), (126, 163796), (168, 122847), (252, 81898), (504, 40949)]