20304818787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{4957}}^1$

素因数の和:5176

約数の個数: 64

約数和(自身を含む): 31985049600

約数和(自身を除く): 11680230813

約数列:

[1, 3, 11, 19, 33, 47, 57, 139, 141, 209, 417, 517, 627, 893, 1529, 1551, 2641, 2679, 4587, 4957, 6533, 7923, 9823, 14871, 19599, 29051, 29469, 54527, 71863, 87153, 94183, 124127, 163581, 215589, 232979, 282549, 372381, 689023, 698937, 1036013, 1365397, 2067069, 2562769, 3108039, 4096191, 4426601, 7579253, 7688307, 13091437, 13279803, 22737759, 32384081, 39274311, 48692611, 97152243, 144005807, 146077833, 356224891, 432017421, 615297539, 1068674673, 1845892617, 6768272929, 20304818787]

約数ペア:

[(1, 20304818787), (3, 6768272929), (11, 1845892617), (19, 1068674673), (33, 615297539), (47, 432017421), (57, 356224891), (139, 146077833), (141, 144005807), (209, 97152243), (417, 48692611), (517, 39274311), (627, 32384081), (893, 22737759), (1529, 13279803), (1551, 13091437), (2641, 7688307), (2679, 7579253), (4587, 4426601), (4957, 4096191), (6533, 3108039), (7923, 2562769), (9823, 2067069), (14871, 1365397), (19599, 1036013), (29051, 698937), (29469, 689023), (54527, 372381), (71863, 282549), (87153, 232979), (94183, 215589), (124127, 163581)]