20509952

素因数分解:

$2^8\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:838

約数の個数: 36

約数和(自身を含む): 41360340

約数和(自身を除く): 20850388

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 709, 904, 1418, 1808, 2836, 3616, 5672, 7232, 11344, 14464, 22688, 28928, 45376, 80117, 90752, 160234, 181504, 320468, 640936, 1281872, 2563744, 5127488, 10254976, 20509952]

約数ペア:

[(1, 20509952), (2, 10254976), (4, 5127488), (8, 2563744), (16, 1281872), (32, 640936), (64, 320468), (113, 181504), (128, 160234), (226, 90752), (256, 80117), (452, 45376), (709, 28928), (904, 22688), (1418, 14464), (1808, 11344), (2836, 7232), (3616, 5672)]