20200248

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1787}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 55088280

約数和(自身を除く): 34888032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1787, 1884, 2826, 3574, 3768, 5361, 5652, 7148, 10722, 11304, 14296, 16083, 21444, 32166, 42888, 64332, 128664, 280559, 561118, 841677, 1122236, 1683354, 2244472, 2525031, 3366708, 5050062, 6733416, 10100124, 20200248]

約数ペア:

[(1, 20200248), (2, 10100124), (3, 6733416), (4, 5050062), (6, 3366708), (8, 2525031), (9, 2244472), (12, 1683354), (18, 1122236), (24, 841677), (36, 561118), (72, 280559), (157, 128664), (314, 64332), (471, 42888), (628, 32166), (942, 21444), (1256, 16083), (1413, 14296), (1787, 11304), (1884, 10722), (2826, 7148), (3574, 5652), (3768, 5361)]