20257365

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 34338816

約数和(自身を除く): 14081451

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 827, 1065, 1633, 2481, 4135, 4899, 8165, 12405, 19021, 24495, 57063, 58717, 95105, 176151, 285315, 293585, 880755, 1350491, 4051473, 6752455, 20257365]

約数ペア:

[(1, 20257365), (3, 6752455), (5, 4051473), (15, 1350491), (23, 880755), (69, 293585), (71, 285315), (115, 176151), (213, 95105), (345, 58717), (355, 57063), (827, 24495), (1065, 19021), (1633, 12405), (2481, 8165), (4135, 4899)]