20490274

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 36406656

約数和(自身を除く): 15916382

約数列:

[1, 2, 7, 14, 43, 86, 101, 202, 301, 337, 602, 674, 707, 1414, 2359, 4343, 4718, 8686, 14491, 28982, 30401, 34037, 60802, 68074, 101437, 202874, 238259, 476518, 1463591, 2927182, 10245137, 20490274]

約数ペア:

[(1, 20490274), (2, 10245137), (7, 2927182), (14, 1463591), (43, 476518), (86, 238259), (101, 202874), (202, 101437), (301, 68074), (337, 60802), (602, 34037), (674, 30401), (707, 28982), (1414, 14491), (2359, 8686), (4343, 4718)]