20624128

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 49889952

約数和(自身を除く): 29265824

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 677, 896, 952, 1088, 1354, 1792, 1904, 2176, 2708, 3808, 4352, 4739, 5416, 7616, 9478, 10832, 11509, 15232, 18956, 21664, 23018, 30464, 37912, 43328, 46036, 75824, 80563, 86656, 92072, 151648, 161126, 173312, 184144, 303296, 322252, 368288, 606592, 644504, 736576, 1213184, 1289008, 1473152, 2578016, 2946304, 5156032, 10312064, 20624128]

約数ペア:

[(1, 20624128), (2, 10312064), (4, 5156032), (7, 2946304), (8, 2578016), (14, 1473152), (16, 1289008), (17, 1213184), (28, 736576), (32, 644504), (34, 606592), (56, 368288), (64, 322252), (68, 303296), (112, 184144), (119, 173312), (128, 161126), (136, 151648), (224, 92072), (238, 86656), (256, 80563), (272, 75824), (448, 46036), (476, 43328), (544, 37912), (677, 30464), (896, 23018), (952, 21664), (1088, 18956), (1354, 15232), (1792, 11509), (1904, 10832), (2176, 9478), (2708, 7616), (3808, 5416), (4352, 4739)]