20515624

素因数分解:

$2^3\times {\mathrm{709}}^1\times {\mathrm{3617}}^1$

素因数の和:4332

約数の個数: 16

約数和(自身を含む): 38531700

約数和(自身を除く): 18016076

約数列:

[1, 2, 4, 8, 709, 1418, 2836, 3617, 5672, 7234, 14468, 28936, 2564453, 5128906, 10257812, 20515624]

約数ペア:

[(1, 20515624), (2, 10257812), (4, 5128906), (8, 2564453), (709, 28936), (1418, 14468), (2836, 7234), (3617, 5672)]