20236862960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{38959}}^1$

素因数の和:39166

約数の個数: 80

約数和(自身を含む): 48464993280

約数和(自身を除く): 28228130320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 151, 172, 215, 302, 344, 430, 604, 688, 755, 860, 1208, 1510, 1720, 2416, 3020, 3440, 6040, 6493, 12080, 12986, 25972, 32465, 38959, 51944, 64930, 77918, 103888, 129860, 155836, 194795, 259720, 311672, 389590, 519440, 623344, 779180, 1558360, 1675237, 3116720, 3350474, 5882809, 6700948, 8376185, 11765618, 13401896, 16752370, 23531236, 26803792, 29414045, 33504740, 47062472, 58828090, 67009480, 94124944, 117656180, 134018960, 235312360, 252960787, 470624720, 505921574, 1011843148, 1264803935, 2023686296, 2529607870, 4047372592, 5059215740, 10118431480, 20236862960]

約数ペア:

[(1, 20236862960), (2, 10118431480), (4, 5059215740), (5, 4047372592), (8, 2529607870), (10, 2023686296), (16, 1264803935), (20, 1011843148), (40, 505921574), (43, 470624720), (80, 252960787), (86, 235312360), (151, 134018960), (172, 117656180), (215, 94124944), (302, 67009480), (344, 58828090), (430, 47062472), (604, 33504740), (688, 29414045), (755, 26803792), (860, 23531236), (1208, 16752370), (1510, 13401896), (1720, 11765618), (2416, 8376185), (3020, 6700948), (3440, 5882809), (6040, 3350474), (6493, 3116720), (12080, 1675237), (12986, 1558360), (25972, 779180), (32465, 623344), (38959, 519440), (51944, 389590), (64930, 311672), (77918, 259720), (103888, 194795), (129860, 155836)]