20504374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13127}}^1$

素因数の和:13211

約数の個数: 16

約数和(自身を含む): 34027776

約数和(自身を除く): 13523402

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13127, 26254, 144397, 288794, 932017, 1864034, 10252187, 20504374]

約数ペア:

[(1, 20504374), (2, 10252187), (11, 1864034), (22, 932017), (71, 288794), (142, 144397), (781, 26254), (1562, 13127)]