20410711616

素因数分解:

$2^6\times {\mathrm{43}}^2\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1268

約数の個数: 84

約数和(自身を含む): 41747850972

約数和(自身を除く): 21337139356

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 173, 344, 346, 688, 692, 997, 1376, 1384, 1849, 1994, 2752, 2768, 3698, 3988, 5536, 7396, 7439, 7976, 11072, 14792, 14878, 15952, 29584, 29756, 31904, 42871, 59168, 59512, 63808, 85742, 118336, 119024, 171484, 172481, 238048, 319877, 342968, 344962, 476096, 639754, 685936, 689924, 1279508, 1371872, 1379848, 1843453, 2559016, 2743744, 2759696, 3686906, 5118032, 5519392, 7373812, 7416683, 10236064, 11038784, 14747624, 14833366, 20472128, 29495248, 29666732, 58990496, 59333464, 117980992, 118666928, 237333856, 318917369, 474667712, 637834738, 1275669476, 2551338952, 5102677904, 10205355808, 20410711616]

約数ペア:

[(1, 20410711616), (2, 10205355808), (4, 5102677904), (8, 2551338952), (16, 1275669476), (32, 637834738), (43, 474667712), (64, 318917369), (86, 237333856), (172, 118666928), (173, 117980992), (344, 59333464), (346, 58990496), (688, 29666732), (692, 29495248), (997, 20472128), (1376, 14833366), (1384, 14747624), (1849, 11038784), (1994, 10236064), (2752, 7416683), (2768, 7373812), (3698, 5519392), (3988, 5118032), (5536, 3686906), (7396, 2759696), (7439, 2743744), (7976, 2559016), (11072, 1843453), (14792, 1379848), (14878, 1371872), (15952, 1279508), (29584, 689924), (29756, 685936), (31904, 639754), (42871, 476096), (59168, 344962), (59512, 342968), (63808, 319877), (85742, 238048), (118336, 172481), (119024, 171484)]