20056557630245

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1\times {\mathrm{23719}}^1$

素因数の和:24390

約数の個数: 64

約数和(自身を含む): 25306089984000

約数和(自身を除く): 5249532353755

約数列:

[1, 5, 41, 53, 205, 223, 265, 349, 1115, 1745, 2173, 9143, 10865, 11819, 14309, 18497, 23719, 45715, 59095, 71545, 77827, 92485, 118595, 389135, 484579, 758377, 972479, 1257107, 2422895, 3190907, 3791885, 4124831, 4862395, 5289337, 6285535, 8277931, 15954535, 20624155, 26446685, 41389655, 51541387, 169118071, 216862817, 257706935, 280334861, 339395171, 438730343, 845590355, 1084314085, 1401674305, 1696975855, 1845978613, 2193651715, 9229893065, 11493729301, 17987944063, 57468646505, 75685123133, 89939720315, 97836866489, 378425615665, 489184332445, 4011311526049, 20056557630245]

約数ペア:

[(1, 20056557630245), (5, 4011311526049), (41, 489184332445), (53, 378425615665), (205, 97836866489), (223, 89939720315), (265, 75685123133), (349, 57468646505), (1115, 17987944063), (1745, 11493729301), (2173, 9229893065), (9143, 2193651715), (10865, 1845978613), (11819, 1696975855), (14309, 1401674305), (18497, 1084314085), (23719, 845590355), (45715, 438730343), (59095, 339395171), (71545, 280334861), (77827, 257706935), (92485, 216862817), (118595, 169118071), (389135, 51541387), (484579, 41389655), (758377, 26446685), (972479, 20624155), (1257107, 15954535), (2422895, 8277931), (3190907, 6285535), (3791885, 5289337), (4124831, 4862395)]