20683264

素因数分解:

$2^9\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 49104000

約数和(自身を除く): 28420736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 199, 203, 224, 232, 256, 398, 406, 448, 464, 512, 796, 812, 896, 928, 1393, 1592, 1624, 1792, 1856, 2786, 3184, 3248, 3584, 3712, 5572, 5771, 6368, 6496, 7424, 11144, 11542, 12736, 12992, 14848, 22288, 23084, 25472, 25984, 40397, 44576, 46168, 50944, 51968, 80794, 89152, 92336, 101888, 103936, 161588, 178304, 184672, 323176, 356608, 369344, 646352, 713216, 738688, 1292704, 1477376, 2585408, 2954752, 5170816, 10341632, 20683264]

約数ペア:

[(1, 20683264), (2, 10341632), (4, 5170816), (7, 2954752), (8, 2585408), (14, 1477376), (16, 1292704), (28, 738688), (29, 713216), (32, 646352), (56, 369344), (58, 356608), (64, 323176), (112, 184672), (116, 178304), (128, 161588), (199, 103936), (203, 101888), (224, 92336), (232, 89152), (256, 80794), (398, 51968), (406, 50944), (448, 46168), (464, 44576), (512, 40397), (796, 25984), (812, 25472), (896, 23084), (928, 22288), (1393, 14848), (1592, 12992), (1624, 12736), (1792, 11542), (1856, 11144), (2786, 7424), (3184, 6496), (3248, 6368), (3584, 5771), (3712, 5572)]