20512759670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:1042

約数の個数: 128

約数和(自身を含む): 43172438400

約数和(自身を除く): 22659678730

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 74, 95, 130, 185, 190, 247, 370, 389, 481, 494, 577, 703, 778, 962, 1154, 1235, 1406, 1945, 2405, 2470, 2885, 3515, 3890, 4810, 5057, 5770, 7030, 7391, 7501, 9139, 10114, 10963, 14393, 14782, 15002, 18278, 21349, 21926, 25285, 28786, 36955, 37505, 42698, 45695, 50570, 54815, 71965, 73910, 75010, 91390, 96083, 106745, 109630, 142519, 143930, 187109, 192166, 213490, 224453, 273467, 277537, 285038, 374218, 405631, 448906, 480415, 546934, 555074, 712595, 811262, 935545, 960830, 1122265, 1367335, 1387685, 1425190, 1871090, 2028155, 2244530, 2734670, 2775370, 2917889, 3555071, 4056310, 4264607, 5273203, 5835778, 7110142, 8304761, 8529214, 10546406, 14589445, 16609522, 17775355, 21323035, 26366015, 29178890, 35550710, 41523805, 42646070, 52732030, 55439891, 83047610, 107961893, 110879782, 157790459, 215923786, 277199455, 315580918, 539809465, 554398910, 788952295, 1079618930, 1577904590, 2051275967, 4102551934, 10256379835, 20512759670]

約数ペア:

[(1, 20512759670), (2, 10256379835), (5, 4102551934), (10, 2051275967), (13, 1577904590), (19, 1079618930), (26, 788952295), (37, 554398910), (38, 539809465), (65, 315580918), (74, 277199455), (95, 215923786), (130, 157790459), (185, 110879782), (190, 107961893), (247, 83047610), (370, 55439891), (389, 52732030), (481, 42646070), (494, 41523805), (577, 35550710), (703, 29178890), (778, 26366015), (962, 21323035), (1154, 17775355), (1235, 16609522), (1406, 14589445), (1945, 10546406), (2405, 8529214), (2470, 8304761), (2885, 7110142), (3515, 5835778), (3890, 5273203), (4810, 4264607), (5057, 4056310), (5770, 3555071), (7030, 2917889), (7391, 2775370), (7501, 2734670), (9139, 2244530), (10114, 2028155), (10963, 1871090), (14393, 1425190), (14782, 1387685), (15002, 1367335), (18278, 1122265), (21349, 960830), (21926, 935545), (25285, 811262), (28786, 712595), (36955, 555074), (37505, 546934), (42698, 480415), (45695, 448906), (50570, 405631), (54815, 374218), (71965, 285038), (73910, 277537), (75010, 273467), (91390, 224453), (96083, 213490), (106745, 192166), (109630, 187109), (142519, 143930)]