20213408048

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17793493}}^1$

素因数の和:17793572

約数の個数: 20

約数和(自身を含む): 39715078608

約数和(自身を除く): 19501670560

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17793493, 35586986, 71173972, 142347944, 284695888, 1263338003, 2526676006, 5053352012, 10106704024, 20213408048]

約数ペア:

[(1, 20213408048), (2, 10106704024), (4, 5053352012), (8, 2526676006), (16, 1263338003), (71, 284695888), (142, 142347944), (284, 71173972), (568, 35586986), (1136, 17793493)]