20796416

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:926

約数の個数: 44

約数和(自身を含む): 43429152

約数和(自身を除く): 22632736

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 883, 1024, 1472, 1766, 2944, 3532, 5888, 7064, 11776, 14128, 20309, 23552, 28256, 40618, 56512, 81236, 113024, 162472, 226048, 324944, 452096, 649888, 904192, 1299776, 2599552, 5199104, 10398208, 20796416]

約数ペア:

[(1, 20796416), (2, 10398208), (4, 5199104), (8, 2599552), (16, 1299776), (23, 904192), (32, 649888), (46, 452096), (64, 324944), (92, 226048), (128, 162472), (184, 113024), (256, 81236), (368, 56512), (512, 40618), (736, 28256), (883, 23552), (1024, 20309), (1472, 14128), (1766, 11776), (2944, 7064), (3532, 5888)]