20152152140

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{516457}}^1$

素因数の和:518417

約数の個数: 24

約数和(自身を含む): 42341292672

約数和(自身を除く): 22189140532

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 7804, 9755, 19510, 39020, 516457, 1032914, 2065828, 2582285, 5164570, 10329140, 1007607607, 2015215214, 4030430428, 5038038035, 10076076070, 20152152140]

約数ペア:

[(1, 20152152140), (2, 10076076070), (4, 5038038035), (5, 4030430428), (10, 2015215214), (20, 1007607607), (1951, 10329140), (3902, 5164570), (7804, 2582285), (9755, 2065828), (19510, 1032914), (39020, 516457)]