20031320655

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{2557}}^1$

素因数の和:2655

約数の個数: 120

約数和(自身を含む): 38820985632

約数和(自身を除く): 18789664977

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 81, 87, 115, 135, 145, 207, 261, 345, 405, 435, 621, 667, 783, 841, 1035, 1305, 1863, 2001, 2349, 2523, 2557, 3105, 3335, 3915, 4205, 6003, 7569, 7671, 9315, 10005, 11745, 12615, 12785, 18009, 19343, 22707, 23013, 30015, 37845, 38355, 54027, 58029, 58811, 68121, 69039, 74153, 90045, 96715, 113535, 115065, 174087, 176433, 207117, 222459, 270135, 290145, 294055, 340605, 345195, 370765, 522261, 529299, 667377, 870435, 882165, 1035585, 1112295, 1566783, 1587897, 1705519, 2002131, 2150437, 2611305, 2646495, 3336885, 4763691, 5116557, 6006393, 6451311, 7833915, 7939485, 8527595, 10010655, 10752185, 15349671, 19353933, 23818455, 25582785, 30031965, 32256555, 46049013, 49460051, 58061799, 76748355, 96769665, 138147039, 148380153, 174185397, 230245065, 247300255, 290308995, 445140459, 690735195, 741900765, 870926985, 1335421377, 2225702295, 4006264131, 6677106885, 20031320655]

約数ペア:

[(1, 20031320655), (3, 6677106885), (5, 4006264131), (9, 2225702295), (15, 1335421377), (23, 870926985), (27, 741900765), (29, 690735195), (45, 445140459), (69, 290308995), (81, 247300255), (87, 230245065), (115, 174185397), (135, 148380153), (145, 138147039), (207, 96769665), (261, 76748355), (345, 58061799), (405, 49460051), (435, 46049013), (621, 32256555), (667, 30031965), (783, 25582785), (841, 23818455), (1035, 19353933), (1305, 15349671), (1863, 10752185), (2001, 10010655), (2349, 8527595), (2523, 7939485), (2557, 7833915), (3105, 6451311), (3335, 6006393), (3915, 5116557), (4205, 4763691), (6003, 3336885), (7569, 2646495), (7671, 2611305), (9315, 2150437), (10005, 2002131), (11745, 1705519), (12615, 1587897), (12785, 1566783), (18009, 1112295), (19343, 1035585), (22707, 882165), (23013, 870435), (30015, 667377), (37845, 529299), (38355, 522261), (54027, 370765), (58029, 345195), (58811, 340605), (68121, 294055), (69039, 290145), (74153, 270135), (90045, 222459), (96715, 207117), (113535, 176433), (115065, 174087)]