20692618

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 32062464

約数和(自身を除く): 11369846

約数列:

[1, 2, 41, 82, 127, 254, 1987, 3974, 5207, 10414, 81467, 162934, 252349, 504698, 10346309, 20692618]

約数ペア:

[(1, 20692618), (2, 10346309), (41, 504698), (82, 252349), (127, 162934), (254, 81467), (1987, 10414), (3974, 5207)]