20514984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6427}}^1$

素因数の和:6462

約数の個数: 64

約数和(自身を含む): 61708800

約数和(自身を除く): 41193816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6427, 12854, 19281, 25708, 38562, 44989, 51416, 77124, 89978, 122113, 134967, 154248, 179956, 244226, 269934, 359912, 366339, 488452, 539868, 732678, 854791, 976904, 1079736, 1465356, 1709582, 2564373, 2930712, 3419164, 5128746, 6838328, 10257492, 20514984]

約数ペア:

[(1, 20514984), (2, 10257492), (3, 6838328), (4, 5128746), (6, 3419164), (7, 2930712), (8, 2564373), (12, 1709582), (14, 1465356), (19, 1079736), (21, 976904), (24, 854791), (28, 732678), (38, 539868), (42, 488452), (56, 366339), (57, 359912), (76, 269934), (84, 244226), (114, 179956), (133, 154248), (152, 134967), (168, 122113), (228, 89978), (266, 77124), (399, 51416), (456, 44989), (532, 38562), (798, 25708), (1064, 19281), (1596, 12854), (3192, 6427)]