20178544

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54833}}^1$

素因数の和:54864

約数の個数: 20

約数和(自身を含む): 40796496

約数和(自身を除く): 20617952

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54833, 109666, 219332, 438664, 877328, 1261159, 2522318, 5044636, 10089272, 20178544]

約数ペア:

[(1, 20178544), (2, 10089272), (4, 5044636), (8, 2522318), (16, 1261159), (23, 877328), (46, 438664), (92, 219332), (184, 109666), (368, 54833)]