20504308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{727}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 39259584

約数和(自身を除く): 18755276

約数列:

[1, 2, 4, 11, 22, 44, 641, 727, 1282, 1454, 2564, 2908, 7051, 7997, 14102, 15994, 28204, 31988, 466007, 932014, 1864028, 5126077, 10252154, 20504308]

約数ペア:

[(1, 20504308), (2, 10252154), (4, 5126077), (11, 1864028), (22, 932014), (44, 466007), (641, 31988), (727, 28204), (1282, 15994), (1454, 14102), (2564, 7997), (2908, 7051)]