20928256

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2819}}^1$

素因数の和:2864

約数の個数: 36

約数和(自身を含む): 43230600

約数和(自身を除く): 22302344

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2819, 3712, 5638, 7424, 11276, 22552, 45104, 81751, 90208, 163502, 180416, 327004, 360832, 654008, 721664, 1308016, 2616032, 5232064, 10464128, 20928256]

約数ペア:

[(1, 20928256), (2, 10464128), (4, 5232064), (8, 2616032), (16, 1308016), (29, 721664), (32, 654008), (58, 360832), (64, 327004), (116, 180416), (128, 163502), (232, 90208), (256, 81751), (464, 45104), (928, 22552), (1856, 11276), (2819, 7424), (3712, 5638)]