20173949590

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1\times {\mathrm{16879}}^1$

素因数の和:19476

約数の個数: 32

約数和(自身を含む): 37102510080

約数和(自身を除く): 16928560490

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 2543, 5086, 12715, 16879, 25430, 33758, 84395, 119521, 168790, 239042, 597605, 793313, 1195210, 1586626, 3966565, 7933130, 42923297, 85846594, 214616485, 429232970, 2017394959, 4034789918, 10086974795, 20173949590]

約数ペア:

[(1, 20173949590), (2, 10086974795), (5, 4034789918), (10, 2017394959), (47, 429232970), (94, 214616485), (235, 85846594), (470, 42923297), (2543, 7933130), (5086, 3966565), (12715, 1586626), (16879, 1195210), (25430, 793313), (33758, 597605), (84395, 239042), (119521, 168790)]