20297970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 48441870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 29, 30, 33, 35, 42, 45, 55, 58, 63, 66, 70, 77, 87, 90, 99, 101, 105, 110, 126, 145, 154, 165, 174, 198, 202, 203, 210, 231, 261, 290, 303, 315, 319, 330, 385, 406, 435, 462, 495, 505, 522, 606, 609, 630, 638, 693, 707, 770, 870, 909, 957, 990, 1010, 1015, 1111, 1155, 1218, 1305, 1386, 1414, 1515, 1595, 1818, 1827, 1914, 2030, 2121, 2222, 2233, 2310, 2610, 2871, 2929, 3030, 3045, 3190, 3333, 3465, 3535, 3654, 4242, 4466, 4545, 4785, 5555, 5742, 5858, 6090, 6363, 6666, 6699, 6930, 7070, 7777, 8787, 9090, 9135, 9570, 9999, 10605, 11110, 11165, 12726, 13398, 14355, 14645, 15554, 16665, 17574, 18270, 19998, 20097, 20503, 21210, 22330, 23331, 26361, 28710, 29290, 31815, 32219, 33330, 33495, 38885, 40194, 41006, 43935, 46662, 49995, 52722, 61509, 63630, 64438, 66990, 69993, 77770, 87870, 96657, 99990, 100485, 102515, 116655, 123018, 131805, 139986, 161095, 184527, 193314, 200970, 205030, 225533, 233310, 263610, 289971, 307545, 322190, 349965, 369054, 451066, 483285, 579942, 615090, 676599, 699930, 922635, 966570, 1127665, 1353198, 1449855, 1845270, 2029797, 2255330, 2899710, 3382995, 4059594, 6765990, 10148985, 20297970]

約数ペア:

[(1, 20297970), (2, 10148985), (3, 6765990), (5, 4059594), (6, 3382995), (7, 2899710), (9, 2255330), (10, 2029797), (11, 1845270), (14, 1449855), (15, 1353198), (18, 1127665), (21, 966570), (22, 922635), (29, 699930), (30, 676599), (33, 615090), (35, 579942), (42, 483285), (45, 451066), (55, 369054), (58, 349965), (63, 322190), (66, 307545), (70, 289971), (77, 263610), (87, 233310), (90, 225533), (99, 205030), (101, 200970), (105, 193314), (110, 184527), (126, 161095), (145, 139986), (154, 131805), (165, 123018), (174, 116655), (198, 102515), (202, 100485), (203, 99990), (210, 96657), (231, 87870), (261, 77770), (290, 69993), (303, 66990), (315, 64438), (319, 63630), (330, 61509), (385, 52722), (406, 49995), (435, 46662), (462, 43935), (495, 41006), (505, 40194), (522, 38885), (606, 33495), (609, 33330), (630, 32219), (638, 31815), (693, 29290), (707, 28710), (770, 26361), (870, 23331), (909, 22330), (957, 21210), (990, 20503), (1010, 20097), (1015, 19998), (1111, 18270), (1155, 17574), (1218, 16665), (1305, 15554), (1386, 14645), (1414, 14355), (1515, 13398), (1595, 12726), (1818, 11165), (1827, 11110), (1914, 10605), (2030, 9999), (2121, 9570), (2222, 9135), (2233, 9090), (2310, 8787), (2610, 7777), (2871, 7070), (2929, 6930), (3030, 6699), (3045, 6666), (3190, 6363), (3333, 6090), (3465, 5858), (3535, 5742), (3654, 5555), (4242, 4785), (4466, 4545)]