20600672

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 42638400

約数和(自身を除く): 22037728

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 79, 116, 158, 232, 281, 316, 464, 562, 632, 928, 1124, 1264, 2248, 2291, 2528, 4496, 4582, 8149, 8992, 9164, 16298, 18328, 22199, 32596, 36656, 44398, 65192, 73312, 88796, 130384, 177592, 260768, 355184, 643771, 710368, 1287542, 2575084, 5150168, 10300336, 20600672]

約数ペア:

[(1, 20600672), (2, 10300336), (4, 5150168), (8, 2575084), (16, 1287542), (29, 710368), (32, 643771), (58, 355184), (79, 260768), (116, 177592), (158, 130384), (232, 88796), (281, 73312), (316, 65192), (464, 44398), (562, 36656), (632, 32596), (928, 22199), (1124, 18328), (1264, 16298), (2248, 9164), (2291, 8992), (2528, 8149), (4496, 4582)]