20284956

素因数分解:

$2^2\times 3^2\times {\mathrm{463}}^1\times {\mathrm{1217}}^1$

素因数の和:1690

約数の個数: 36

約数和(自身を含む): 51428832

約数和(自身を除く): 31143876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 463, 926, 1217, 1389, 1852, 2434, 2778, 3651, 4167, 4868, 5556, 7302, 8334, 10953, 14604, 16668, 21906, 43812, 563471, 1126942, 1690413, 2253884, 3380826, 5071239, 6761652, 10142478, 20284956]

約数ペア:

[(1, 20284956), (2, 10142478), (3, 6761652), (4, 5071239), (6, 3380826), (9, 2253884), (12, 1690413), (18, 1126942), (36, 563471), (463, 43812), (926, 21906), (1217, 16668), (1389, 14604), (1852, 10953), (2434, 8334), (2778, 7302), (3651, 5556), (4167, 4868)]