20149904

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 40612728

約数和(自身を除く): 20462824

約数列:

[1, 2, 4, 8, 16, 37, 74, 101, 148, 202, 296, 337, 404, 592, 674, 808, 1348, 1616, 2696, 3737, 5392, 7474, 12469, 14948, 24938, 29896, 34037, 49876, 59792, 68074, 99752, 136148, 199504, 272296, 544592, 1259369, 2518738, 5037476, 10074952, 20149904]

約数ペア:

[(1, 20149904), (2, 10074952), (4, 5037476), (8, 2518738), (16, 1259369), (37, 544592), (74, 272296), (101, 199504), (148, 136148), (202, 99752), (296, 68074), (337, 59792), (404, 49876), (592, 34037), (674, 29896), (808, 24938), (1348, 14948), (1616, 12469), (2696, 7474), (3737, 5392)]