20176393923

素因数分解:

$3^4\times 7^1\times {\mathrm{727}}^1\times {\mathrm{48947}}^1$

素因数の和:49693

約数の個数: 40

約数和(自身を含む): 34493851392

約数和(自身を除く): 14317457469

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 727, 2181, 5089, 6543, 15267, 19629, 45801, 48947, 58887, 137403, 146841, 342629, 412209, 440523, 1027887, 1321569, 3083661, 3964707, 9250983, 27752949, 35584469, 106753407, 249091283, 320260221, 747273849, 960780663, 2241821547, 2882341989, 6725464641, 20176393923]

約数ペア:

[(1, 20176393923), (3, 6725464641), (7, 2882341989), (9, 2241821547), (21, 960780663), (27, 747273849), (63, 320260221), (81, 249091283), (189, 106753407), (567, 35584469), (727, 27752949), (2181, 9250983), (5089, 3964707), (6543, 3083661), (15267, 1321569), (19629, 1027887), (45801, 440523), (48947, 412209), (58887, 342629), (137403, 146841)]