20670294544

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{2538101}}^1$

素因数の和:2538618

約数の個数: 20

約数和(自身を含む): 40127392620

約数和(自身を除く): 19457098076

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 2538101, 5076202, 10152404, 20304808, 40609616, 1291893409, 2583786818, 5167573636, 10335147272, 20670294544]

約数ペア:

[(1, 20670294544), (2, 10335147272), (4, 5167573636), (8, 2583786818), (16, 1291893409), (509, 40609616), (1018, 20304808), (2036, 10152404), (4072, 5076202), (8144, 2538101)]