20715865128

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{35221}}^1$

素因数の和:35632

約数の個数: 128

約数和(自身を含む): 65935584000

約数和(自身を除く): 45219718872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 389, 504, 756, 778, 1167, 1512, 1556, 2334, 2723, 3112, 3501, 4668, 5446, 7002, 8169, 9336, 10503, 10892, 14004, 16338, 21006, 21784, 24507, 28008, 32676, 35221, 42012, 49014, 65352, 70442, 73521, 84024, 98028, 105663, 140884, 147042, 196056, 211326, 246547, 281768, 294084, 316989, 422652, 493094, 588168, 633978, 739641, 845304, 950967, 986188, 1267956, 1479282, 1901934, 1972376, 2218923, 2535912, 2958564, 3803868, 4437846, 5917128, 6656769, 7607736, 8875692, 13313538, 13700969, 17751384, 26627076, 27401938, 41102907, 53254152, 54803876, 82205814, 95906783, 109607752, 123308721, 164411628, 191813566, 246617442, 287720349, 328823256, 369926163, 383627132, 493234884, 575440698, 739852326, 767254264, 863161047, 986469768, 1150881396, 1479704652, 1726322094, 2301762792, 2589483141, 2959409304, 3452644188, 5178966282, 6905288376, 10357932564, 20715865128]

約数ペア:

[(1, 20715865128), (2, 10357932564), (3, 6905288376), (4, 5178966282), (6, 3452644188), (7, 2959409304), (8, 2589483141), (9, 2301762792), (12, 1726322094), (14, 1479704652), (18, 1150881396), (21, 986469768), (24, 863161047), (27, 767254264), (28, 739852326), (36, 575440698), (42, 493234884), (54, 383627132), (56, 369926163), (63, 328823256), (72, 287720349), (84, 246617442), (108, 191813566), (126, 164411628), (168, 123308721), (189, 109607752), (216, 95906783), (252, 82205814), (378, 54803876), (389, 53254152), (504, 41102907), (756, 27401938), (778, 26627076), (1167, 17751384), (1512, 13700969), (1556, 13313538), (2334, 8875692), (2723, 7607736), (3112, 6656769), (3501, 5917128), (4668, 4437846), (5446, 3803868), (7002, 2958564), (8169, 2535912), (9336, 2218923), (10503, 1972376), (10892, 1901934), (14004, 1479282), (16338, 1267956), (21006, 986188), (21784, 950967), (24507, 845304), (28008, 739641), (32676, 633978), (35221, 588168), (42012, 493094), (49014, 422652), (65352, 316989), (70442, 294084), (73521, 281768), (84024, 246547), (98028, 211326), (105663, 196056), (140884, 147042)]