20556974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1559}}^1$

素因数の和:1927

約数の個数: 16

約数和(自身を含む): 32572800

約数和(自身を除く): 12015826

約数列:

[1, 2, 19, 38, 347, 694, 1559, 3118, 6593, 13186, 29621, 59242, 540973, 1081946, 10278487, 20556974]

約数ペア:

[(1, 20556974), (2, 10278487), (19, 1081946), (38, 540973), (347, 59242), (694, 29621), (1559, 13186), (3118, 6593)]