20686976

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5573}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 42641100

約数和(自身を除く): 21954124

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5573, 11146, 22292, 44584, 89168, 161617, 178336, 323234, 356672, 646468, 713344, 1292936, 2585872, 5171744, 10343488, 20686976]

約数ペア:

[(1, 20686976), (2, 10343488), (4, 5171744), (8, 2585872), (16, 1292936), (29, 713344), (32, 646468), (58, 356672), (64, 323234), (116, 178336), (128, 161617), (232, 89168), (464, 44584), (928, 22292), (1856, 11146), (3712, 5573)]