20158558357

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{255007}}^1$

素因数の和:255528

約数の個数: 16

約数和(自身を含む): 24089075712

約数和(自身を除く): 3930517355

約数列:

[1, 7, 23, 161, 491, 3437, 11293, 79051, 255007, 1785049, 5865161, 41056127, 125208437, 876459059, 2879794051, 20158558357]

約数ペア:

[(1, 20158558357), (7, 2879794051), (23, 876459059), (161, 125208437), (491, 41056127), (3437, 5865161), (11293, 1785049), (79051, 255007)]