20909658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{45259}}^1$

素因数の和:45282

約数の個数: 32

約数和(自身を含む): 52139520

約数和(自身を除く): 31229862

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 45259, 90518, 135777, 271554, 316813, 497849, 633626, 950439, 995698, 1493547, 1900878, 2987094, 3484943, 6969886, 10454829, 20909658]

約数ペア:

[(1, 20909658), (2, 10454829), (3, 6969886), (6, 3484943), (7, 2987094), (11, 1900878), (14, 1493547), (21, 995698), (22, 950439), (33, 633626), (42, 497849), (66, 316813), (77, 271554), (154, 135777), (231, 90518), (462, 45259)]