20383189785

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{10037}}^1$

素因数の和:10372

約数の個数: 96

約数和(自身を含む): 42294510720

約数和(自身を除く): 21911320935

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 307, 315, 441, 735, 921, 945, 1323, 1535, 2149, 2205, 2763, 4605, 6447, 6615, 8289, 10037, 10745, 13815, 15043, 19341, 30111, 32235, 41445, 45129, 50185, 58023, 70259, 75215, 90333, 96705, 135387, 150555, 210777, 225645, 270999, 290115, 351295, 406161, 451665, 491813, 632331, 676935, 1053885, 1354995, 1475439, 1896993, 2030805, 2459065, 3081359, 3161655, 4426317, 7377195, 9244077, 9484965, 13278951, 15406795, 21569513, 22131585, 27732231, 46220385, 64708539, 66394755, 83196693, 107847565, 138661155, 150986591, 194125617, 323542695, 415983465, 452959773, 582376851, 754932955, 970628085, 1358879319, 2264798865, 2911884255, 4076637957, 6794396595, 20383189785]

約数ペア:

[(1, 20383189785), (3, 6794396595), (5, 4076637957), (7, 2911884255), (9, 2264798865), (15, 1358879319), (21, 970628085), (27, 754932955), (35, 582376851), (45, 452959773), (49, 415983465), (63, 323542695), (105, 194125617), (135, 150986591), (147, 138661155), (189, 107847565), (245, 83196693), (307, 66394755), (315, 64708539), (441, 46220385), (735, 27732231), (921, 22131585), (945, 21569513), (1323, 15406795), (1535, 13278951), (2149, 9484965), (2205, 9244077), (2763, 7377195), (4605, 4426317), (6447, 3161655), (6615, 3081359), (8289, 2459065), (10037, 2030805), (10745, 1896993), (13815, 1475439), (15043, 1354995), (19341, 1053885), (30111, 676935), (32235, 632331), (41445, 491813), (45129, 451665), (50185, 406161), (58023, 351295), (70259, 290115), (75215, 270999), (90333, 225645), (96705, 210777), (135387, 150555)]