20470192

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 40997376

約数和(自身を除く): 20527184

約数列:

[1, 2, 4, 8, 16, 47, 94, 163, 167, 188, 326, 334, 376, 652, 668, 752, 1304, 1336, 2608, 2672, 7661, 7849, 15322, 15698, 27221, 30644, 31396, 54442, 61288, 62792, 108884, 122576, 125584, 217768, 435536, 1279387, 2558774, 5117548, 10235096, 20470192]

約数ペア:

[(1, 20470192), (2, 10235096), (4, 5117548), (8, 2558774), (16, 1279387), (47, 435536), (94, 217768), (163, 125584), (167, 122576), (188, 108884), (326, 62792), (334, 61288), (376, 54442), (652, 31396), (668, 30644), (752, 27221), (1304, 15698), (1336, 15322), (2608, 7849), (2672, 7661)]