20504198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71693}}^1$

素因数の和:71719

約数の個数: 16

約数和(自身を含む): 36133776

約数和(自身を除く): 15629578

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71693, 143386, 788623, 932009, 1577246, 1864018, 10252099, 20504198]

約数ペア:

[(1, 20504198), (2, 10252099), (11, 1864018), (13, 1577246), (22, 932009), (26, 788623), (143, 143386), (286, 71693)]