20565800660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{122693}}^1$

素因数の和:122765

約数の個数: 72

約数和(自身を含む): 47460493080

約数和(自身を除く): 26894692420

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 289, 290, 340, 493, 578, 580, 986, 1156, 1445, 1972, 2465, 2890, 4930, 5780, 8381, 9860, 16762, 33524, 41905, 83810, 122693, 167620, 245386, 490772, 613465, 1226930, 2085781, 2453860, 3558097, 4171562, 7116194, 8343124, 10428905, 14232388, 17790485, 20857810, 35458277, 35580970, 41715620, 60487649, 70916554, 71161940, 120975298, 141833108, 177291385, 241950596, 302438245, 354582770, 604876490, 709165540, 1028290033, 1209752980, 2056580066, 4113160132, 5141450165, 10282900330, 20565800660]

約数ペア:

[(1, 20565800660), (2, 10282900330), (4, 5141450165), (5, 4113160132), (10, 2056580066), (17, 1209752980), (20, 1028290033), (29, 709165540), (34, 604876490), (58, 354582770), (68, 302438245), (85, 241950596), (116, 177291385), (145, 141833108), (170, 120975298), (289, 71161940), (290, 70916554), (340, 60487649), (493, 41715620), (578, 35580970), (580, 35458277), (986, 20857810), (1156, 17790485), (1445, 14232388), (1972, 10428905), (2465, 8343124), (2890, 7116194), (4930, 4171562), (5780, 3558097), (8381, 2453860), (9860, 2085781), (16762, 1226930), (33524, 613465), (41905, 490772), (83810, 245386), (122693, 167620)]