20343630160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{66413}}^1$

素因数の和:66980

約数の個数: 80

約数和(自身を含む): 54155569536

約数和(自身を除く): 33811939376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 547, 560, 1094, 2188, 2735, 3829, 4376, 5470, 7658, 8752, 10940, 15316, 19145, 21880, 30632, 38290, 43760, 61264, 66413, 76580, 132826, 153160, 265652, 306320, 332065, 464891, 531304, 664130, 929782, 1062608, 1328260, 1859564, 2324455, 2656520, 3719128, 4648910, 5313040, 7438256, 9297820, 18595640, 36327911, 37191280, 72655822, 145311644, 181639555, 254295377, 290623288, 363279110, 508590754, 581246576, 726558220, 1017181508, 1271476885, 1453116440, 2034363016, 2542953770, 2906232880, 4068726032, 5085907540, 10171815080, 20343630160]

約数ペア:

[(1, 20343630160), (2, 10171815080), (4, 5085907540), (5, 4068726032), (7, 2906232880), (8, 2542953770), (10, 2034363016), (14, 1453116440), (16, 1271476885), (20, 1017181508), (28, 726558220), (35, 581246576), (40, 508590754), (56, 363279110), (70, 290623288), (80, 254295377), (112, 181639555), (140, 145311644), (280, 72655822), (547, 37191280), (560, 36327911), (1094, 18595640), (2188, 9297820), (2735, 7438256), (3829, 5313040), (4376, 4648910), (5470, 3719128), (7658, 2656520), (8752, 2324455), (10940, 1859564), (15316, 1328260), (19145, 1062608), (21880, 929782), (30632, 664130), (38290, 531304), (43760, 464891), (61264, 332065), (66413, 306320), (76580, 265652), (132826, 153160)]