204413180

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{15797}}^1$

素因数の和:16453

約数の個数: 24

約数和(自身を含む): 429958368

約数和(自身を除く): 225545188

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 15797, 31594, 63188, 78985, 157970, 315940, 10220659, 20441318, 40882636, 51103295, 102206590, 204413180]

約数ペア:

[(1, 204413180), (2, 102206590), (4, 51103295), (5, 40882636), (10, 20441318), (20, 10220659), (647, 315940), (1294, 157970), (2588, 78985), (3235, 63188), (6470, 31594), (12940, 15797)]