20044872

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 54600000

約数和(自身を除く): 34555128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1399, 1592, 1791, 2388, 2798, 3582, 4197, 4776, 5596, 7164, 8394, 11192, 12591, 14328, 16788, 25182, 33576, 50364, 100728, 278401, 556802, 835203, 1113604, 1670406, 2227208, 2505609, 3340812, 5011218, 6681624, 10022436, 20044872]

約数ペア:

[(1, 20044872), (2, 10022436), (3, 6681624), (4, 5011218), (6, 3340812), (8, 2505609), (9, 2227208), (12, 1670406), (18, 1113604), (24, 835203), (36, 556802), (72, 278401), (199, 100728), (398, 50364), (597, 33576), (796, 25182), (1194, 16788), (1399, 14328), (1592, 12591), (1791, 11192), (2388, 8394), (2798, 7164), (3582, 5596), (4197, 4776)]