20718648

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16927}}^1$

素因数の和:16956

約数の個数: 48

約数和(自身を含む): 59417280

約数和(自身を除く): 38698632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16927, 33854, 50781, 67708, 101562, 135416, 152343, 203124, 287759, 304686, 406248, 575518, 609372, 863277, 1151036, 1218744, 1726554, 2302072, 2589831, 3453108, 5179662, 6906216, 10359324, 20718648]

約数ペア:

[(1, 20718648), (2, 10359324), (3, 6906216), (4, 5179662), (6, 3453108), (8, 2589831), (9, 2302072), (12, 1726554), (17, 1218744), (18, 1151036), (24, 863277), (34, 609372), (36, 575518), (51, 406248), (68, 304686), (72, 287759), (102, 203124), (136, 152343), (153, 135416), (204, 101562), (306, 67708), (408, 50781), (612, 33854), (1224, 16927)]