20184272

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15199}}^1$

素因数の和:15290

約数の個数: 20

約数和(自身を含む): 39580800

約数和(自身を除く): 19396528

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15199, 30398, 60796, 121592, 243184, 1261517, 2523034, 5046068, 10092136, 20184272]

約数ペア:

[(1, 20184272), (2, 10092136), (4, 5046068), (8, 2523034), (16, 1261517), (83, 243184), (166, 121592), (332, 60796), (664, 30398), (1328, 15199)]