20957398

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19441}}^1$

素因数の和:19468

約数の個数: 24

約数和(自身を含む): 39894984

約数和(自身を除く): 18937586

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19441, 38882, 136087, 213851, 272174, 427702, 952609, 1496957, 1905218, 2993914, 10478699, 20957398]

約数ペア:

[(1, 20957398), (2, 10478699), (7, 2993914), (11, 1905218), (14, 1496957), (22, 952609), (49, 427702), (77, 272174), (98, 213851), (154, 136087), (539, 38882), (1078, 19441)]