20486528

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5519}}^1$

素因数の和:5562

約数の個数: 32

約数和(自身を含む): 42228000

約数和(自身を除く): 21741472

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5519, 11038, 22076, 44152, 88304, 160051, 176608, 320102, 353216, 640204, 706432, 1280408, 2560816, 5121632, 10243264, 20486528]

約数ペア:

[(1, 20486528), (2, 10243264), (4, 5121632), (8, 2560816), (16, 1280408), (29, 706432), (32, 640204), (58, 353216), (64, 320102), (116, 176608), (128, 160051), (232, 88304), (464, 44152), (928, 22076), (1856, 11038), (3712, 5519)]