204024980

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{15767}}^1$

素因数の和:16423

約数の個数: 24

約数和(自身を含む): 429141888

約数和(自身を除く): 225116908

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 15767, 31534, 63068, 78835, 157670, 315340, 10201249, 20402498, 40804996, 51006245, 102012490, 204024980]

約数ペア:

[(1, 204024980), (2, 102012490), (4, 51006245), (5, 40804996), (10, 20402498), (20, 10201249), (647, 315340), (1294, 157670), (2588, 78835), (3235, 63068), (6470, 31534), (12940, 15767)]