20156464

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54773}}^1$

素因数の和:54804

約数の個数: 20

約数和(自身を含む): 40751856

約数和(自身を除く): 20595392

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54773, 109546, 219092, 438184, 876368, 1259779, 2519558, 5039116, 10078232, 20156464]

約数ペア:

[(1, 20156464), (2, 10078232), (4, 5039116), (8, 2519558), (16, 1259779), (23, 876368), (46, 438184), (92, 219092), (184, 109546), (368, 54773)]