20808801615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{14629}}^1$

素因数の和:14717

約数の個数: 128

約数和(自身を含む): 43145625600

約数和(自身を除く): 22336823985

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 31, 35, 57, 69, 93, 95, 105, 115, 133, 155, 161, 217, 285, 345, 399, 437, 465, 483, 589, 651, 665, 713, 805, 1085, 1311, 1767, 1995, 2139, 2185, 2415, 2945, 3059, 3255, 3565, 4123, 4991, 6555, 8835, 9177, 10695, 12369, 13547, 14629, 14973, 15295, 20615, 24955, 40641, 43887, 45885, 61845, 67735, 73145, 74865, 94829, 102403, 203205, 219435, 277951, 284487, 307209, 336467, 453499, 474145, 512015, 833853, 1009401, 1360497, 1389755, 1422435, 1536045, 1682335, 1945657, 2267495, 2355269, 3174493, 4169265, 5047005, 5836971, 6392873, 6802485, 7065807, 8616481, 9523479, 9728285, 10430477, 11776345, 15872465, 19178619, 25849443, 29184855, 31291431, 31964365, 35329035, 43082405, 44750111, 47617395, 52152385, 60315367, 73013339, 95893095, 129247215, 134250333, 156457155, 180946101, 198179063, 219040017, 223750555, 301576835, 365066695, 594537189, 671251665, 904730505, 990895315, 1095200085, 1387253441, 2972685945, 4161760323, 6936267205, 20808801615]

約数ペア:

[(1, 20808801615), (3, 6936267205), (5, 4161760323), (7, 2972685945), (15, 1387253441), (19, 1095200085), (21, 990895315), (23, 904730505), (31, 671251665), (35, 594537189), (57, 365066695), (69, 301576835), (93, 223750555), (95, 219040017), (105, 198179063), (115, 180946101), (133, 156457155), (155, 134250333), (161, 129247215), (217, 95893095), (285, 73013339), (345, 60315367), (399, 52152385), (437, 47617395), (465, 44750111), (483, 43082405), (589, 35329035), (651, 31964365), (665, 31291431), (713, 29184855), (805, 25849443), (1085, 19178619), (1311, 15872465), (1767, 11776345), (1995, 10430477), (2139, 9728285), (2185, 9523479), (2415, 8616481), (2945, 7065807), (3059, 6802485), (3255, 6392873), (3565, 5836971), (4123, 5047005), (4991, 4169265), (6555, 3174493), (8835, 2355269), (9177, 2267495), (10695, 1945657), (12369, 1682335), (13547, 1536045), (14629, 1422435), (14973, 1389755), (15295, 1360497), (20615, 1009401), (24955, 833853), (40641, 512015), (43887, 474145), (45885, 453499), (61845, 336467), (67735, 307209), (73145, 284487), (74865, 277951), (94829, 219435), (102403, 203205)]