20403917471

素因数分解:

$7^2\times {\mathrm{7541}}^1\times {\mathrm{55219}}^1$

素因数の和:62774

約数の個数: 12

約数和(自身を含む): 23738746680

約数和(自身を除く): 3334829209

約数列:

[1, 7, 49, 7541, 52787, 55219, 369509, 386533, 2705731, 416406479, 2914845353, 20403917471]

約数ペア:

[(1, 20403917471), (7, 2914845353), (49, 416406479), (7541, 2705731), (52787, 386533), (55219, 369509)]