20427136

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5503}}^1$

素因数の和:5546

約数の個数: 32

約数和(自身を含む): 42105600

約数和(自身を除く): 21678464

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5503, 11006, 22012, 44024, 88048, 159587, 176096, 319174, 352192, 638348, 704384, 1276696, 2553392, 5106784, 10213568, 20427136]

約数ペア:

[(1, 20427136), (2, 10213568), (4, 5106784), (8, 2553392), (16, 1276696), (29, 704384), (32, 638348), (58, 352192), (64, 319174), (116, 176096), (128, 159587), (232, 88048), (464, 44024), (928, 22012), (1856, 11006), (3712, 5503)]