20754274

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{547}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 31801536

約数和(自身を除く): 11047262

約数列:

[1, 2, 61, 122, 311, 547, 622, 1094, 18971, 33367, 37942, 66734, 170117, 340234, 10377137, 20754274]

約数ペア:

[(1, 20754274), (2, 10377137), (61, 340234), (122, 170117), (311, 66734), (547, 37942), (622, 33367), (1094, 18971)]