20707788

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42089}}^1$

素因数の和:42137

約数の個数: 24

約数和(自身を含む): 49497840

約数和(自身を除く): 28790052

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42089, 84178, 126267, 168356, 252534, 505068, 1725649, 3451298, 5176947, 6902596, 10353894, 20707788]

約数ペア:

[(1, 20707788), (2, 10353894), (3, 6902596), (4, 5176947), (6, 3451298), (12, 1725649), (41, 505068), (82, 252534), (123, 168356), (164, 126267), (246, 84178), (492, 42089)]