20961858

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{27509}}^1$

素因数の和:27641

約数の個数: 16

約数和(自身を含む): 42255360

約数和(自身を除く): 21293502

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 27509, 55018, 82527, 165054, 3493643, 6987286, 10480929, 20961858]

約数ペア:

[(1, 20961858), (2, 10480929), (3, 6987286), (6, 3493643), (127, 165054), (254, 82527), (381, 55018), (762, 27509)]