20197782

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 50342400

約数和(自身を除く): 30144618

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 297, 333, 407, 594, 666, 814, 919, 999, 1221, 1838, 1998, 2442, 2757, 3663, 5514, 7326, 8271, 10109, 10989, 16542, 20218, 21978, 24813, 30327, 34003, 49626, 60654, 68006, 90981, 102009, 181962, 204018, 272943, 306027, 374033, 545886, 612054, 748066, 918081, 1122099, 1836162, 2244198, 3366297, 6732594, 10098891, 20197782]

約数ペア:

[(1, 20197782), (2, 10098891), (3, 6732594), (6, 3366297), (9, 2244198), (11, 1836162), (18, 1122099), (22, 918081), (27, 748066), (33, 612054), (37, 545886), (54, 374033), (66, 306027), (74, 272943), (99, 204018), (111, 181962), (198, 102009), (222, 90981), (297, 68006), (333, 60654), (407, 49626), (594, 34003), (666, 30327), (814, 24813), (919, 21978), (999, 20218), (1221, 16542), (1838, 10989), (1998, 10109), (2442, 8271), (2757, 7326), (3663, 5514)]