20854047803505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{34781}}^1\times {\mathrm{44963}}^1$

素因数の和:79886

約数の個数: 64

約数和(自身を含む): 38435336552448

約数和(自身を除く): 17581288748943

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1905, 2667, 4445, 13335, 34781, 44963, 104343, 134889, 173905, 224815, 243467, 314741, 521715, 674445, 730401, 944223, 1217335, 1573705, 3652005, 4417187, 4721115, 5710301, 13251561, 17130903, 22085935, 28551505, 30920309, 39972107, 66257805, 85654515, 92760927, 119916321, 154601545, 199860535, 463804635, 599581605, 1563858103, 4691574309, 7819290515, 10947006721, 23457871545, 32841020163, 54735033605, 164205100815, 198609979081, 595829937243, 993049895405, 1390269853567, 2979149686215, 4170809560701, 6951349267835, 20854047803505]

約数ペア:

[(1, 20854047803505), (3, 6951349267835), (5, 4170809560701), (7, 2979149686215), (15, 1390269853567), (21, 993049895405), (35, 595829937243), (105, 198609979081), (127, 164205100815), (381, 54735033605), (635, 32841020163), (889, 23457871545), (1905, 10947006721), (2667, 7819290515), (4445, 4691574309), (13335, 1563858103), (34781, 599581605), (44963, 463804635), (104343, 199860535), (134889, 154601545), (173905, 119916321), (224815, 92760927), (243467, 85654515), (314741, 66257805), (521715, 39972107), (674445, 30920309), (730401, 28551505), (944223, 22085935), (1217335, 17130903), (1573705, 13251561), (3652005, 5710301), (4417187, 4721115)]