20163752

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^2\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 44417760

約数和(自身を除く): 24254008

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 163, 188, 326, 329, 376, 652, 658, 1141, 1304, 1316, 2209, 2282, 2632, 4418, 4564, 7661, 8836, 9128, 15322, 15463, 17672, 30644, 30926, 53627, 61288, 61852, 107254, 123704, 214508, 360067, 429016, 720134, 1440268, 2520469, 2880536, 5040938, 10081876, 20163752]

約数ペア:

[(1, 20163752), (2, 10081876), (4, 5040938), (7, 2880536), (8, 2520469), (14, 1440268), (28, 720134), (47, 429016), (56, 360067), (94, 214508), (163, 123704), (188, 107254), (326, 61852), (329, 61288), (376, 53627), (652, 30926), (658, 30644), (1141, 17672), (1304, 15463), (1316, 15322), (2209, 9128), (2282, 8836), (2632, 7661), (4418, 4564)]