20050206

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 26951394

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 59, 66, 114, 118, 177, 209, 271, 354, 418, 542, 627, 649, 813, 1121, 1254, 1298, 1626, 1947, 2242, 2981, 3363, 3894, 5149, 5962, 6726, 8943, 10298, 12331, 15447, 15989, 17886, 24662, 30894, 31978, 36993, 47967, 56639, 73986, 95934, 113278, 169917, 175879, 303791, 339834, 351758, 527637, 607582, 911373, 1055274, 1822746, 3341701, 6683402, 10025103, 20050206]

約数ペア:

[(1, 20050206), (2, 10025103), (3, 6683402), (6, 3341701), (11, 1822746), (19, 1055274), (22, 911373), (33, 607582), (38, 527637), (57, 351758), (59, 339834), (66, 303791), (114, 175879), (118, 169917), (177, 113278), (209, 95934), (271, 73986), (354, 56639), (418, 47967), (542, 36993), (627, 31978), (649, 30894), (813, 24662), (1121, 17886), (1254, 15989), (1298, 15447), (1626, 12331), (1947, 10298), (2242, 8943), (2981, 6726), (3363, 5962), (3894, 5149)]