20009774960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{3251}}^1$

素因数の和:3679

約数の個数: 160

約数和(自身を含む): 55164326400

約数和(自身を除く): 35154551440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 379, 406, 464, 560, 580, 758, 812, 1015, 1160, 1516, 1624, 1895, 2030, 2320, 2653, 3032, 3248, 3251, 3790, 4060, 5306, 6064, 6502, 7580, 8120, 10612, 10991, 13004, 13265, 15160, 16240, 16255, 21224, 21982, 22757, 26008, 26530, 30320, 32510, 42448, 43964, 45514, 52016, 53060, 54955, 65020, 76937, 87928, 91028, 94279, 106120, 109910, 113785, 130040, 153874, 175856, 182056, 188558, 212240, 219820, 227570, 260080, 307748, 364112, 377116, 384685, 439640, 455140, 471395, 615496, 659953, 754232, 769370, 879280, 910280, 942790, 1230992, 1232129, 1319906, 1508464, 1538740, 1820560, 1885580, 2464258, 2639812, 3077480, 3299765, 3771160, 4928516, 5279624, 6154960, 6160645, 6599530, 7542320, 8624903, 9857032, 10559248, 12321290, 13199060, 17249806, 19714064, 24642580, 26398120, 34499612, 35731741, 43124515, 49285160, 52796240, 68999224, 71463482, 86249030, 98570320, 137998448, 142926964, 172498060, 178658705, 250122187, 285853928, 344996120, 357317410, 500244374, 571707856, 689992240, 714634820, 1000488748, 1250610935, 1429269640, 2000977496, 2501221870, 2858539280, 4001954992, 5002443740, 10004887480, 20009774960]

約数ペア:

[(1, 20009774960), (2, 10004887480), (4, 5002443740), (5, 4001954992), (7, 2858539280), (8, 2501221870), (10, 2000977496), (14, 1429269640), (16, 1250610935), (20, 1000488748), (28, 714634820), (29, 689992240), (35, 571707856), (40, 500244374), (56, 357317410), (58, 344996120), (70, 285853928), (80, 250122187), (112, 178658705), (116, 172498060), (140, 142926964), (145, 137998448), (203, 98570320), (232, 86249030), (280, 71463482), (290, 68999224), (379, 52796240), (406, 49285160), (464, 43124515), (560, 35731741), (580, 34499612), (758, 26398120), (812, 24642580), (1015, 19714064), (1160, 17249806), (1516, 13199060), (1624, 12321290), (1895, 10559248), (2030, 9857032), (2320, 8624903), (2653, 7542320), (3032, 6599530), (3248, 6160645), (3251, 6154960), (3790, 5279624), (4060, 4928516), (5306, 3771160), (6064, 3299765), (6502, 3077480), (7580, 2639812), (8120, 2464258), (10612, 1885580), (10991, 1820560), (13004, 1538740), (13265, 1508464), (15160, 1319906), (16240, 1232129), (16255, 1230992), (21224, 942790), (21982, 910280), (22757, 879280), (26008, 769370), (26530, 754232), (30320, 659953), (32510, 615496), (42448, 471395), (43964, 455140), (45514, 439640), (52016, 384685), (53060, 377116), (54955, 364112), (65020, 307748), (76937, 260080), (87928, 227570), (91028, 219820), (94279, 212240), (106120, 188558), (109910, 182056), (113785, 175856), (130040, 153874)]