20101688

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19181}}^1$

素因数の和:19318

約数の個数: 16

約数和(自身を含む): 37980360

約数和(自身を除く): 17878672

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19181, 38362, 76724, 153448, 2512711, 5025422, 10050844, 20101688]

約数ペア:

[(1, 20101688), (2, 10050844), (4, 5025422), (8, 2512711), (131, 153448), (262, 76724), (524, 38362), (1048, 19181)]