20984344

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61001}}^1$

素因数の和:61050

約数の個数: 16

約数和(自身を含む): 40261320

約数和(自身を除く): 19276976

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 61001, 122002, 244004, 488008, 2623043, 5246086, 10492172, 20984344]

約数ペア:

[(1, 20984344), (2, 10492172), (4, 5246086), (8, 2623043), (43, 488008), (86, 244004), (172, 122002), (344, 61001)]