20189661

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2953}}^1$

素因数の和:3052

約数の個数: 16

約数和(自身を含む): 28074816

約数和(自身を除く): 7885155

約数列:

[1, 3, 43, 53, 129, 159, 2279, 2953, 6837, 8859, 126979, 156509, 380937, 469527, 6729887, 20189661]

約数ペア:

[(1, 20189661), (3, 6729887), (43, 469527), (53, 380937), (129, 156509), (159, 126979), (2279, 8859), (2953, 6837)]