20656598

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13557802

約数列:

[1, 2, 17, 34, 43, 71, 86, 142, 199, 398, 731, 1207, 1462, 2414, 3053, 3383, 6106, 6766, 8557, 14129, 17114, 28258, 51901, 103802, 145469, 240193, 290938, 480386, 607547, 1215094, 10328299, 20656598]

約数ペア:

[(1, 20656598), (2, 10328299), (17, 1215094), (34, 607547), (43, 480386), (71, 290938), (86, 240193), (142, 145469), (199, 103802), (398, 51901), (731, 28258), (1207, 17114), (1462, 14129), (2414, 8557), (3053, 6766), (3383, 6106)]