20341838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21503}}^1$

素因数の和:21559

約数の個数: 16

約数和(自身を含む): 34062336

約数和(自身を除く): 13720498

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21503, 43006, 236533, 473066, 924629, 1849258, 10170919, 20341838]

約数ペア:

[(1, 20341838), (2, 10170919), (11, 1849258), (22, 924629), (43, 473066), (86, 236533), (473, 43006), (946, 21503)]