20286984

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2662

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 36261816

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 323, 408, 456, 646, 969, 1292, 1938, 2584, 2617, 3876, 5234, 7752, 7851, 10468, 15702, 20936, 31404, 44489, 49723, 62808, 88978, 99446, 133467, 149169, 177956, 198892, 266934, 298338, 355912, 397784, 533868, 596676, 845291, 1067736, 1193352, 1690582, 2535873, 3381164, 5071746, 6762328, 10143492, 20286984]

約数ペア:

[(1, 20286984), (2, 10143492), (3, 6762328), (4, 5071746), (6, 3381164), (8, 2535873), (12, 1690582), (17, 1193352), (19, 1067736), (24, 845291), (34, 596676), (38, 533868), (51, 397784), (57, 355912), (68, 298338), (76, 266934), (102, 198892), (114, 177956), (136, 149169), (152, 133467), (204, 99446), (228, 88978), (323, 62808), (408, 49723), (456, 44489), (646, 31404), (969, 20936), (1292, 15702), (1938, 10468), (2584, 7851), (2617, 7752), (3876, 5234)]