20331776

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1906

約数の個数: 36

約数和(自身を含む): 41550432

約数和(自身を除く): 21218656

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1847, 2752, 3694, 5504, 7388, 11008, 14776, 29552, 59104, 79421, 118208, 158842, 236416, 317684, 472832, 635368, 1270736, 2541472, 5082944, 10165888, 20331776]

約数ペア:

[(1, 20331776), (2, 10165888), (4, 5082944), (8, 2541472), (16, 1270736), (32, 635368), (43, 472832), (64, 317684), (86, 236416), (128, 158842), (172, 118208), (256, 79421), (344, 59104), (688, 29552), (1376, 14776), (1847, 11008), (2752, 7388), (3694, 5504)]