20986892065

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{7639}}^1$

素因数の和:7909

約数の個数: 32

約数和(自身を含む): 26183808000

約数和(自身を除く): 5196915935

約数列:

[1, 5, 59, 67, 139, 295, 335, 695, 3953, 7639, 8201, 9313, 19765, 38195, 41005, 46565, 450701, 511813, 549467, 1061821, 2253505, 2559065, 2747335, 5309105, 30196967, 62647439, 71142007, 150984835, 313237195, 355710035, 4197378413, 20986892065]

約数ペア:

[(1, 20986892065), (5, 4197378413), (59, 355710035), (67, 313237195), (139, 150984835), (295, 71142007), (335, 62647439), (695, 30196967), (3953, 5309105), (7639, 2747335), (8201, 2559065), (9313, 2253505), (19765, 1061821), (38195, 549467), (41005, 511813), (46565, 450701)]